402256037 has 2 divisors, whose sum is σ = 402256038. Its totient is φ = 402256036.

The previous prime is 402256027. The next prime is 402256051. The reversal of 402256037 is 730652204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308669761 + 93586276 = 17569^2 + 9674^2 .

It is a cyclic number.

It is not a de Polignac number, because 402256037 - 2¹⁴ = 402239653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402256027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201128018 + 201128019.

It is an arithmetic number, because the mean of its divisors is an integer number (201128019).

Almost surely, 2^402256037 is an apocalyptic number.

It is an amenable number.

402256037 is a deficient number, since it is larger than the sum of its proper divisors (1).

402256037 is an equidigital number, since it uses as much as digits as its factorization.

402256037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 402256037 is about 20056.3216218727. The cubic root of 402256037 is about 738.1889221657.

The spelling of 402256037 in words is "four hundred two million, two hundred fifty-six thousand, thirty-seven".