536623531 has 4 divisors (see below), whose sum is σ = 549103192. Its totient is φ = 524143872.

The previous prime is 536623523. The next prime is 536623541. The reversal of 536623531 is 135326635.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 536623531 - 2³ = 536623523 is a prime.

It is a super-2 number, since 2×536623531² = 575929628045815922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536623501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6239766 + ... + 6239851.

It is an arithmetic number, because the mean of its divisors is an integer number (137275798).

Almost surely, 2^536623531 is an apocalyptic number.

536623531 is a deficient number, since it is larger than the sum of its proper divisors (12479661).

536623531 is a wasteful number, since it uses less digits than its factorization.

536623531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12479660.

The product of its digits is 48600, while the sum is 34.

The square root of 536623531 is about 23165.1361101117. The cubic root of 536623531 is about 812.6244857309.

The spelling of 536623531 in words is "five hundred thirty-six million, six hundred twenty-three thousand, five hundred thirty-one".