52431015 has 64 divisors (see below), whose sum is σ = 104896512. Its totient is φ = 21772800.

The previous prime is 52431011. The next prime is 52431023. The reversal of 52431015 is 51013425.

It is not a de Polignac number, because 52431015 - 2² = 52431011 is a prime.

It is a super-2 number, since 2×52431015² = 5498022667860450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 52430982 and 52431000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52431011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96645 + ... + 97185.

It is an arithmetic number, because the mean of its divisors is an integer number (1639008).

Almost surely, 2^52431015 is an apocalyptic number.

52431015 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

52431015 is a wasteful number, since it uses less digits than its factorization.

52431015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 52431015 is about 7240.9263910083. The cubic root of 52431015 is about 374.2795411684.

The spelling of 52431015 in words is "fifty-two million, four hundred thirty-one thousand, fifteen".