52131507 has 16 divisors (see below), whose sum is σ = 71265792. Its totient is φ = 33881760.

The previous prime is 52131487. The next prime is 52131509. The reversal of 52131507 is 70513125.

It is not a de Polignac number, because 52131507 - 2¹⁶ = 52065971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52131509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46113 + ... + 47229.

It is an arithmetic number, because the mean of its divisors is an integer number (4454112).

Almost surely, 2^52131507 is an apocalyptic number.

52131507 is a deficient number, since it is larger than the sum of its proper divisors (19134285).

52131507 is a wasteful number, since it uses less digits than its factorization.

52131507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 52131507 is about 7220.2151629990. The cubic root of 52131507 is about 373.5654991052.

The spelling of 52131507 in words is "fifty-two million, one hundred thirty-one thousand, five hundred seven".