312533125 has 20 divisors (see below), whose sum is σ = 396098208. Its totient is φ = 246470000.

The previous prime is 312533101. The next prime is 312533129. The reversal of 312533125 is 521335213.

It is not a de Polignac number, because 312533125 - 2²³ = 304144517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 312533125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312533129) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40854 + ... + 47896.

Almost surely, 2^312533125 is an apocalyptic number.

It is an amenable number.

312533125 is a deficient number, since it is larger than the sum of its proper divisors (83565083).

312533125 is an frugal number, since it uses more digits than its factorization.

312533125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134 (or 7119 counting only the distinct ones).

The product of its digits is 2700, while the sum is 25.

The square root of 312533125 is about 17678.6064213218. The cubic root of 312533125 is about 678.6283806572.

Adding to 312533125 its reverse (521335213), we get a palindrome (833868338).

The spelling of 312533125 in words is "three hundred twelve million, five hundred thirty-three thousand, one hundred twenty-five".