501552225 has 18 divisors (see below), whose sum is σ = 898336166. Its totient is φ = 267494400.

The previous prime is 501552169. The next prime is 501552239. The reversal of 501552225 is 522255105.

It can be written as a sum of positive squares in 3 ways, for example, as 553536 + 500998689 = 744^2 + 22383^2 .

It is a de Polignac number, because none of the positive numbers 2^k-501552225 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1114336 + ... + 1114785.

Almost surely, 2^501552225 is an apocalyptic number.

It is an amenable number.

501552225 is a deficient number, since it is larger than the sum of its proper divisors (396783941).

501552225 is a wasteful number, since it uses less digits than its factorization.

501552225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229137 (or 2229129 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 501552225 is about 22395.3616849561. The cubic root of 501552225 is about 794.5210120489.

The spelling of 501552225 in words is "five hundred one million, five hundred fifty-two thousand, two hundred twenty-five".