250164465 has 16 divisors (see below), whose sum is σ = 401694336. Its totient is φ = 132944000.

The previous prime is 250164461. The next prime is 250164479. The reversal of 250164465 is 564461052.

It is not a de Polignac number, because 250164465 - 2² = 250164461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (250164461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25461 + ... + 33890.

It is an arithmetic number, because the mean of its divisors is an integer number (25105896).

Almost surely, 2^250164465 is an apocalyptic number.

It is an amenable number.

250164465 is a deficient number, since it is larger than the sum of its proper divisors (151529871).

250164465 is a wasteful number, since it uses less digits than its factorization.

250164465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59640.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 250164465 is about 15816.5882857208. The cubic root of 250164465 is about 630.0986366095.

It can be divided in two parts, 2501 and 64465, that added together give a palindrome (66966).

The spelling of 250164465 in words is "two hundred fifty million, one hundred sixty-four thousand, four hundred sixty-five".