312501325 has 12 divisors (see below), whose sum is σ = 388287648. Its totient is φ = 249494000.

The previous prime is 312501307. The next prime is 312501331. The reversal of 312501325 is 523105213.

It is not a de Polignac number, because 312501325 - 2⁹ = 312500813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312501296 and 312501305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150 + ... + 25000.

It is an arithmetic number, because the mean of its divisors is an integer number (32357304).

Almost surely, 2^312501325 is an apocalyptic number.

It is an amenable number.

312501325 is a deficient number, since it is larger than the sum of its proper divisors (75786323).

312501325 is a wasteful number, since it uses less digits than its factorization.

312501325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25364 (or 25359 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 312501325 is about 17677.7070062834. The cubic root of 312501325 is about 678.6053632416.

Adding to 312501325 its reverse (523105213), we get a palindrome (835606538).

The spelling of 312501325 in words is "three hundred twelve million, five hundred one thousand, three hundred twenty-five".