250564433 has 4 divisors (see below), whose sum is σ = 286359360. Its totient is φ = 214769508.

The previous prime is 250564429. The next prime is 250564439. The reversal of 250564433 is 334465052.

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 250564433 - 2² = 250564429 is a prime.

It is a super-2 number, since 2×250564433² = 125565070169222978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 250564433.

It is not an unprimeable number, because it can be changed into a prime (250564439) 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, 17897453 + ... + 17897466.

It is an arithmetic number, because the mean of its divisors is an integer number (71589840).

Almost surely, 2^250564433 is an apocalyptic number.

It is an amenable number.

250564433 is a deficient number, since it is larger than the sum of its proper divisors (35794927).

250564433 is an equidigital number, since it uses as much as digits as its factorization.

250564433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35794926.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 250564433 is about 15829.2271763343. The cubic root of 250564433 is about 630.4342626139.

The spelling of 250564433 in words is "two hundred fifty million, five hundred sixty-four thousand, four hundred thirty-three".