31252853 has 6 divisors (see below), whose sum is σ = 32984694. Its totient is φ = 29607624.

The previous prime is 31252847. The next prime is 31252861. The reversal of 31252853 is 35825213.

It can be written as a sum of positive squares in only one way, i.e., 20448484 + 10804369 = 4522^2 + 3287^2 .

It is not a de Polignac number, because 31252853 - 2⁶ = 31252789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31252813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42926 + ... + 43647.

It is an arithmetic number, because the mean of its divisors is an integer number (5497449).

Almost surely, 2^31252853 is an apocalyptic number.

It is an amenable number.

31252853 is a deficient number, since it is larger than the sum of its proper divisors (1731841).

31252853 is an equidigital number, since it uses as much as digits as its factorization.

31252853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86611 (or 86592 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 31252853 is about 5590.4251180031. The cubic root of 31252853 is about 314.9898476614.

The spelling of 31252853 in words is "thirty-one million, two hundred fifty-two thousand, eight hundred fifty-three".