52630731 has 12 divisors (see below), whose sum is σ = 76085152. Its totient is φ = 35058096.

The previous prime is 52630729. The next prime is 52630733. The reversal of 52630731 is 13703625.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52630729) and next prime (52630733).

It is not a de Polignac number, because 52630731 - 2¹ = 52630729 is a prime.

It is a super-2 number, since 2×52630731² = 5539987691188722, 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 = 52630695 and 52630704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52630733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19305 + ... + 21861.

Almost surely, 2^52630731 is an apocalyptic number.

52630731 is a deficient number, since it is larger than the sum of its proper divisors (23454421).

52630731 is a wasteful number, since it uses less digits than its factorization.

52630731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850 (or 4847 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 52630731 is about 7254.7040601254. The cubic root of 52630731 is about 374.7541642079.

It can be divided in two parts, 52630 and 731, that added together give a square (53361 = 231²).

The spelling of 52630731 in words is "fifty-two million, six hundred thirty thousand, seven hundred thirty-one".