250495945 has 8 divisors (see below), whose sum is σ = 343537344. Its totient is φ = 171768624.

The previous prime is 250495933. The next prime is 250496017. The reversal of 250495945 is 549594052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 250495945 - 2⁵ = 250495913 is a prime.

It is a super-2 number, since 2×250495945² = 125496436922886050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3578479 + ... + 3578548.

It is an arithmetic number, because the mean of its divisors is an integer number (42942168).

Almost surely, 2^250495945 is an apocalyptic number.

It is an amenable number.

250495945 is a deficient number, since it is larger than the sum of its proper divisors (93041399).

250495945 is an equidigital number, since it uses as much as digits as its factorization.

250495945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157039.

The product of its (nonzero) digits is 324000, while the sum is 43.

The square root of 250495945 is about 15827.0636885052. The cubic root of 250495945 is about 630.3768174878.

The spelling of 250495945 in words is "two hundred fifty million, four hundred ninety-five thousand, nine hundred forty-five".