509722952 has 16 divisors (see below), whose sum is σ = 981561660. Its totient is φ = 247973184.

The previous prime is 509722949. The next prime is 509722979. The reversal of 509722952 is 259227905.

It can be written as a sum of positive squares in 2 ways, for example, as 420496036 + 89226916 = 20506^2 + 9446^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860723 + ... + 861314.

Almost surely, 2^509722952 is an apocalyptic number.

It is an amenable number.

509722952 is a deficient number, since it is larger than the sum of its proper divisors (471838708).

509722952 is a wasteful number, since it uses less digits than its factorization.

509722952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722080 (or 1722076 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 509722952 is about 22577.0448021879. The cubic root of 509722952 is about 798.8122750093.

The spelling of 509722952 in words is "five hundred nine million, seven hundred twenty-two thousand, nine hundred fifty-two".