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1343025253 = 7431807571
BaseRepresentation
bin101000000001100…
…1111000001100101
310110121010202022001
41100003033001211
510222303302003
6341133405301
745165345343
oct12003170145
93417122261
101343025253
1162a114829
12315939831
131853207cb
14ca520993
157cd8d61d
hex500cf065

1343025253 has 4 divisors (see below), whose sum is σ = 1344833568. Its totient is φ = 1341216940.

The previous prime is 1343025209. The next prime is 1343025263. The reversal of 1343025253 is 3525203431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1343025253 - 221 = 1340928101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343025263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903043 + ... + 904528.

It is an arithmetic number, because the mean of its divisors is an integer number (336208392).

Almost surely, 21343025253 is an apocalyptic number.

It is an amenable number.

1343025253 is a deficient number, since it is larger than the sum of its proper divisors (1808315).

1343025253 is an equidigital number, since it uses as much as digits as its factorization.

1343025253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808314.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1343025253 is about 36647.3089462241. The cubic root of 1343025253 is about 1103.3028150504.

Adding to 1343025253 its reverse (3525203431), we get a palindrome (4868228684).

It can be divided in two parts, 13430 and 25253, that added together give a palindrome (38683).

The spelling of 1343025253 in words is "one billion, three hundred forty-three million, twenty-five thousand, two hundred fifty-three".

Divisors: 1 743 1807571 1343025253