31260485 has 4 divisors (see below), whose sum is σ = 37512588. Its totient is φ = 25008384.

The previous prime is 31260479. The next prime is 31260517. The reversal of 31260485 is 58406213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58406213 = 4507 ⋅12959.

It can be written as a sum of positive squares in 2 ways, for example, as 9572836 + 21687649 = 3094^2 + 4657^2 .

It is a cyclic number.

It is not a de Polignac number, because 31260485 - 2²² = 27066181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3126044 + ... + 3126053.

It is an arithmetic number, because the mean of its divisors is an integer number (9378147).

Almost surely, 2^31260485 is an apocalyptic number.

It is an amenable number.

31260485 is a deficient number, since it is larger than the sum of its proper divisors (6252103).

31260485 is an equidigital number, since it uses as much as digits as its factorization.

31260485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6252102.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 31260485 is about 5591.1076720092. The cubic root of 31260485 is about 315.0154859272.

Adding to 31260485 its reverse (58406213), we get a palindrome (89666698).

The spelling of 31260485 in words is "thirty-one million, two hundred sixty thousand, four hundred eighty-five".