52612531 has 4 divisors (see below), whose sum is σ = 52734472. Its totient is φ = 52490592.

The previous prime is 52612519. The next prime is 52612559. The reversal of 52612531 is 13521625.

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 52612531 - 2¹³ = 52604339 is a prime.

It is a super-2 number, since 2×52612531² = 5536156836451922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52612496 and 52612505.

It is not an unprimeable number, because it can be changed into a prime (52612031) 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, 60321 + ... + 61186.

It is an arithmetic number, because the mean of its divisors is an integer number (13183618).

Almost surely, 2^52612531 is an apocalyptic number.

52612531 is a deficient number, since it is larger than the sum of its proper divisors (121941).

52612531 is a wasteful number, since it uses less digits than its factorization.

52612531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121940.

The product of its digits is 1800, while the sum is 25.

The square root of 52612531 is about 7253.4495931246. The cubic root of 52612531 is about 374.7109618684.

The spelling of 52612531 in words is "fifty-two million, six hundred twelve thousand, five hundred thirty-one".