52394631 has 4 divisors (see below), whose sum is σ = 69859512. Its totient is φ = 34929752.

The previous prime is 52394623. The next prime is 52394633. The reversal of 52394631 is 13649325.

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 52394631 - 2³ = 52394623 is a prime.

It is a super-2 number, since 2×52394631² = 5490394715252322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52394592 and 52394601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52394633) 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, 8732436 + ... + 8732441.

It is an arithmetic number, because the mean of its divisors is an integer number (17464878).

Almost surely, 2^52394631 is an apocalyptic number.

52394631 is a deficient number, since it is larger than the sum of its proper divisors (17464881).

52394631 is a wasteful number, since it uses less digits than its factorization.

52394631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17464880.

The product of its digits is 19440, while the sum is 33.

The square root of 52394631 is about 7238.4135692844. The cubic root of 52394631 is about 374.1929452352.

It can be divided in two parts, 5239 and 4631, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 52394631 in words is "fifty-two million, three hundred ninety-four thousand, six hundred thirty-one".