52004631 has 16 divisors (see below), whose sum is σ = 80864000. Its totient is φ = 29716344.

The previous prime is 52004611. The next prime is 52004677. The reversal of 52004631 is 13640025.

It is a happy number.

52004631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52004631 - 2⁷ = 52004503 is a prime.

It is a super-2 number, since 2×52004631² = 5408963290892322, 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 = 52004598 and 52004607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52004611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24241 + ... + 26298.

It is an arithmetic number, because the mean of its divisors is an integer number (5054000).

Almost surely, 2^52004631 is an apocalyptic number.

52004631 is a deficient number, since it is larger than the sum of its proper divisors (28859369).

52004631 is an equidigital number, since it uses as much as digits as its factorization.

52004631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50563 (or 50549 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 52004631 is about 7211.4236458552. The cubic root of 52004631 is about 373.2621956472.

Adding to 52004631 its reverse (13640025), we get a palindrome (65644656).

The spelling of 52004631 in words is "fifty-two million, four thousand, six hundred thirty-one".