52472531 has 4 divisors (see below), whose sum is σ = 53062200. Its totient is φ = 51882864.

The previous prime is 52472527. The next prime is 52472543. The reversal of 52472531 is 13527425.

It is a happy number.

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 52472531 - 2² = 52472527 is a prime.

It is a super-2 number, since 2×52472531² = 5506733019091922, 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 = 52472494 and 52472503.

It is not an unprimeable number, because it can be changed into a prime (52472501) 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, 294701 + ... + 294878.

It is an arithmetic number, because the mean of its divisors is an integer number (13265550).

Almost surely, 2^52472531 is an apocalyptic number.

52472531 is a deficient number, since it is larger than the sum of its proper divisors (589669).

52472531 is an equidigital number, since it uses as much as digits as its factorization.

52472531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589668.

The product of its digits is 8400, while the sum is 29.

The square root of 52472531 is about 7243.7925839991. The cubic root of 52472531 is about 374.3783026233.

Adding to 52472531 its reverse (13527425), we get a palindrome (65999956).

The spelling of 52472531 in words is "fifty-two million, four hundred seventy-two thousand, five hundred thirty-one".