250949965 has 16 divisors (see below), whose sum is σ = 350656128. Its totient is φ = 168831936.

The previous prime is 250949957. The next prime is 250949977. The reversal of 250949965 is 569949052.

It is not a de Polignac number, because 250949965 - 2³ = 250949957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65787 + ... + 69496.

It is an arithmetic number, because the mean of its divisors is an integer number (21916008).

Almost surely, 2^250949965 is an apocalyptic number.

It is an amenable number.

250949965 is a deficient number, since it is larger than the sum of its proper divisors (99706163).

250949965 is a wasteful number, since it uses less digits than its factorization.

250949965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135348.

The product of its (nonzero) digits is 874800, while the sum is 49.

The square root of 250949965 is about 15841.4003484540. The cubic root of 250949965 is about 630.7574370135.

The spelling of 250949965 in words is "two hundred fifty million, nine hundred forty-nine thousand, nine hundred sixty-five".