250504997 has 2 divisors, whose sum is σ = 250504998. Its totient is φ = 250504996.

The previous prime is 250504963. The next prime is 250505041. The reversal of 250504997 is 799405052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236359876 + 14145121 = 15374^2 + 3761^2 .

It is a cyclic number.

It is not a de Polignac number, because 250504997 - 2¹⁴ = 250488613 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 (250504907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125252498 + 125252499.

It is an arithmetic number, because the mean of its divisors is an integer number (125252499).

Almost surely, 2^250504997 is an apocalyptic number.

It is an amenable number.

250504997 is a deficient number, since it is larger than the sum of its proper divisors (1).

250504997 is an equidigital number, since it uses as much as digits as its factorization.

250504997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 250504997 is about 15827.3496517895. The cubic root of 250504997 is about 630.3844105611.

The spelling of 250504997 in words is "two hundred fifty million, five hundred four thousand, nine hundred ninety-seven".