523612538 has 8 divisors (see below), whose sum is σ = 786483840. Its totient is φ = 261451260.

The previous prime is 523612519. The next prime is 523612601. The reversal of 523612538 is 835216325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 523612498 and 523612507.

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, 175658 + ... + 178613.

It is an arithmetic number, because the mean of its divisors is an integer number (98310480).

Almost surely, 2^523612538 is an apocalyptic number.

523612538 is a deficient number, since it is larger than the sum of its proper divisors (262871302).

523612538 is a wasteful number, since it uses less digits than its factorization.

523612538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355012.

The product of its digits is 43200, while the sum is 35.

The square root of 523612538 is about 22882.5815414258. The cubic root of 523612538 is about 806.0030386133.

The spelling of 523612538 in words is "five hundred twenty-three million, six hundred twelve thousand, five hundred thirty-eight".