250252505 has 8 divisors (see below), whose sum is σ = 302216712. Its totient is φ = 198926208.

The previous prime is 250252481. The next prime is 250252507. The reversal of 250252505 is 505252052.

It can be written as a sum of positive squares in 4 ways, for example, as 2253001 + 247999504 = 1501^2 + 15748^2 .

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 250252505 - 2⁶ = 250252441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250252507) 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, 158612 + ... + 160181.

It is an arithmetic number, because the mean of its divisors is an integer number (37777089).

Almost surely, 2^250252505 is an apocalyptic number.

It is an amenable number.

250252505 is a deficient number, since it is larger than the sum of its proper divisors (51964207).

250252505 is a wasteful number, since it uses less digits than its factorization.

250252505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318955.

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 250252505 is about 15819.3711948358. The cubic root of 250252505 is about 630.1725444919.

The spelling of 250252505 in words is "two hundred fifty million, two hundred fifty-two thousand, five hundred five".