520072352 has 12 divisors (see below), whose sum is σ = 1023892506. Its totient is φ = 260036160.

The previous prime is 520072309. The next prime is 520072369. The reversal of 520072352 is 253270025.

It can be written as a sum of positive squares in only one way, i.e., 519657616 + 414736 = 22796^2 + 644^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8126099 + ... + 8126162.

Almost surely, 2^520072352 is an apocalyptic number.

It is an amenable number.

520072352 is a deficient number, since it is larger than the sum of its proper divisors (503820154).

520072352 is a wasteful number, since it uses less digits than its factorization.

520072352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16252271 (or 16252263 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 520072352 is about 22805.0948693488. The cubic root of 520072352 is about 804.1824458279.

The spelling of 520072352 in words is "five hundred twenty million, seventy-two thousand, three hundred fifty-two".