250426564 has 6 divisors (see below), whose sum is σ = 438246494. Its totient is φ = 125213280.

The previous prime is 250426511. The next prime is 250426567. The reversal of 250426564 is 465624052.

It can be written as a sum of positive squares in only one way, i.e., 183873600 + 66552964 = 13560^2 + 8158^2 .

It is not an unprimeable number, because it can be changed into a prime (250426567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31303317 + ... + 31303324.

Almost surely, 2^250426564 is an apocalyptic number.

It is an amenable number.

250426564 is a deficient number, since it is larger than the sum of its proper divisors (187819930).

250426564 is a wasteful number, since it uses less digits than its factorization.

250426564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62606645 (or 62606643 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 250426564 is about 15824.8716898432. The cubic root of 250426564 is about 630.3186126700.

The spelling of 250426564 in words is "two hundred fifty million, four hundred twenty-six thousand, five hundred sixty-four".