250025261 has 8 divisors (see below), whose sum is σ = 258720000. Its totient is φ = 241369920.

The previous prime is 250025207. The next prime is 250025267. The reversal of 250025261 is 162520052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250025261 is a prime.

It is a super-2 number, since 2×250025261² = 125025262276236242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250025267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3365 + ... + 22613.

It is an arithmetic number, because the mean of its divisors is an integer number (32340000).

Almost surely, 2^250025261 is an apocalyptic number.

It is an amenable number.

250025261 is a deficient number, since it is larger than the sum of its proper divisors (8694739).

250025261 is a wasteful number, since it uses less digits than its factorization.

250025261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19699.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 250025261 is about 15812.1871036236. The cubic root of 250025261 is about 629.9817421433.

The spelling of 250025261 in words is "two hundred fifty million, twenty-five thousand, two hundred sixty-one".