250495397 has 4 divisors (see below), whose sum is σ = 250566336. Its totient is φ = 250424460.

The previous prime is 250495393. The next prime is 250495423. The reversal of 250495397 is 793594052.

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 250495397 - 2² = 250495393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250495393) 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, 29879 + ... + 37332.

It is an arithmetic number, because the mean of its divisors is an integer number (62641584).

Almost surely, 2^250495397 is an apocalyptic number.

It is an amenable number.

250495397 is a deficient number, since it is larger than the sum of its proper divisors (70939).

250495397 is an equidigital number, since it uses as much as digits as its factorization.

250495397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70938.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 250495397 is about 15827.0463763774. The cubic root of 250495397 is about 630.3763578040.

The spelling of 250495397 in words is "two hundred fifty million, four hundred ninety-five thousand, three hundred ninety-seven".