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1250701213 is a prime number
BaseRepresentation
bin100101010001100…
…0010111110011101
310020011102012112011
41022203002332131
510030134414323
6324034511221
742664533136
oct11243027635
93204365464
101250701213
11591a96373
122aaa35511
1316c166ab8
14bc16ac8d
1574c0320d
hex4a8c2f9d

1250701213 has 2 divisors, whose sum is σ = 1250701214. Its totient is φ = 1250701212.

The previous prime is 1250701211. The next prime is 1250701267. The reversal of 1250701213 is 3121070521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1175324089 + 75377124 = 34283^2 + 8682^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250701213 - 21 = 1250701211 is a prime.

Together with 1250701211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250701211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625350606 + 625350607.

It is an arithmetic number, because the mean of its divisors is an integer number (625350607).

Almost surely, 21250701213 is an apocalyptic number.

It is an amenable number.

1250701213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250701213 is an equidigital number, since it uses as much as digits as its factorization.

1250701213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1250701213 is about 35365.2543183278. The cubic root of 1250701213 is about 1077.4187363774.

Adding to 1250701213 its reverse (3121070521), we get a palindrome (4371771734).

The spelling of 1250701213 in words is "one billion, two hundred fifty million, seven hundred one thousand, two hundred thirteen".