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2551253 = 22711239
BaseRepresentation
bin1001101110110111010101
311210121122212
421232313111
51123120003
6130403205
730454025
oct11566725
94717585
102551253
111492881
12a30505
136b4323
144a5a85
15355dd8
hex26edd5

2551253 has 4 divisors (see below), whose sum is σ = 2562720. Its totient is φ = 2539788.

The previous prime is 2551249. The next prime is 2551273. The reversal of 2551253 is 3521552.

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 2551253 - 22 = 2551249 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 (2551223) 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, 5393 + ... + 5846.

It is an arithmetic number, because the mean of its divisors is an integer number (640680).

22551253 is an apocalyptic number.

It is an amenable number.

2551253 is a deficient number, since it is larger than the sum of its proper divisors (11467).

2551253 is a wasteful number, since it uses less digits than its factorization.

2551253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11466.

The product of its digits is 1500, while the sum is 23.

The square root of 2551253 is about 1597.2642236023. The cubic root of 2551253 is about 136.6420942007.

Subtracting 2551253 from its reverse (3521552), we obtain a cube (970299 = 993).

The spelling of 2551253 in words is "two million, five hundred fifty-one thousand, two hundred fifty-three".

Divisors: 1 227 11239 2551253