523520036 has 24 divisors (see below), whose sum is σ = 987262584. Its totient is φ = 241470720.

The previous prime is 523520017. The next prime is 523520071. The reversal of 523520036 is 630025325.

It can be written as a sum of positive squares in 4 ways, for example, as 15288100 + 508231936 = 3910^2 + 22544^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 523519987 and 523520014.

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, 140696 + ... + 144368.

It is an arithmetic number, because the mean of its divisors is an integer number (41135941).

Almost surely, 2^523520036 is an apocalyptic number.

It is an amenable number.

523520036 is a deficient number, since it is larger than the sum of its proper divisors (463742548).

523520036 is a wasteful number, since it uses less digits than its factorization.

523520036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6431 (or 6429 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 523520036 is about 22880.5602204142. The cubic root of 523520036 is about 805.9555726732.

The spelling of 523520036 in words is "five hundred twenty-three million, five hundred twenty thousand, thirty-six".