52307431 has 8 divisors (see below), whose sum is σ = 58454928. Its totient is φ = 46392000.

The previous prime is 52307429. The next prime is 52307441. The reversal of 52307431 is 13470325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52307431 - 2¹ = 52307429 is a prime.

It is a super-2 number, since 2×52307431² = 5472134675639522, 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 = 52307396 and 52307405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52307441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57540 + ... + 58441.

It is an arithmetic number, because the mean of its divisors is an integer number (7306866).

Almost surely, 2^52307431 is an apocalyptic number.

52307431 is a deficient number, since it is larger than the sum of its proper divisors (6147497).

52307431 is a wasteful number, since it uses less digits than its factorization.

52307431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116033.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 52307431 is about 7232.3876417128. The cubic root of 52307431 is about 373.9852411078.

Adding to 52307431 its reverse (13470325), we get a palindrome (65777756).

The spelling of 52307431 in words is "fifty-two million, three hundred seven thousand, four hundred thirty-one".