231274825 has 6 divisors (see below), whose sum is σ = 286780814. Its totient is φ = 185019840.

The previous prime is 231274819. The next prime is 231274837. The reversal of 231274825 is 528472132.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 356409 + 230918416 = 597^2 + 15196^2 .

It is not a de Polignac number, because 231274825 - 2¹⁵ = 231242057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4625472 + ... + 4625521.

Almost surely, 2^231274825 is an apocalyptic number.

231274825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231274825 is a deficient number, since it is larger than the sum of its proper divisors (55505989).

231274825 is an equidigital number, since it uses as much as digits as its factorization.

231274825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9251003 (or 9250998 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 231274825 is about 15207.7225448126. The cubic root of 231274825 is about 613.8224764150.

The spelling of 231274825 in words is "two hundred thirty-one million, two hundred seventy-four thousand, eight hundred twenty-five".