250625005 has 8 divisors (see below), whose sum is σ = 308085624. Its totient is φ = 195609600.

The previous prime is 250624993. The next prime is 250625021. The reversal of 250625005 is 500526052.

It can be written as a sum of positive squares in 4 ways, for example, as 18550249 + 232074756 = 4307^2 + 15234^2 .

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

It is not a de Polignac number, because 250625005 - 2⁵ = 250624973 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 7 ways as a sum of consecutive naturals, for example, 611076 + ... + 611485.

It is an arithmetic number, because the mean of its divisors is an integer number (38510703).

Almost surely, 2^250625005 is an apocalyptic number.

It is an amenable number.

250625005 is a deficient number, since it is larger than the sum of its proper divisors (57460619).

250625005 is a wasteful number, since it uses less digits than its factorization.

250625005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222607.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 250625005 is about 15831.1403569042. The cubic root of 250625005 is about 630.4850593783.

The spelling of 250625005 in words is "two hundred fifty million, six hundred twenty-five thousand, five".