231051425 has 12 divisors (see below), whose sum is σ = 312549936. Its totient is φ = 168037200.

The previous prime is 231051383. The next prime is 231051449. The reversal of 231051425 is 524150132.

It is not a de Polignac number, because 231051425 - 2²⁴ = 214274209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231051425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419819 + ... + 420368.

It is an arithmetic number, because the mean of its divisors is an integer number (26045828).

Almost surely, 2^231051425 is an apocalyptic number.

231051425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231051425 is a deficient number, since it is larger than the sum of its proper divisors (81498511).

231051425 is a wasteful number, since it uses less digits than its factorization.

231051425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840208 (or 840203 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 231051425 is about 15200.3758177224. The cubic root of 231051425 is about 613.6247720635.

It can be divided in two parts, 2310 and 51425, that added together give a palindrome (53735).

The spelling of 231051425 in words is "two hundred thirty-one million, fifty-one thousand, four hundred twenty-five".