312522625 has 16 divisors (see below), whose sum is σ = 402614784. Its totient is φ = 241950000.

The previous prime is 312522607. The next prime is 312522629. The reversal of 312522625 is 526225213.

It is not a de Polignac number, because 312522625 - 2⁵ = 312522593 is a prime.

It is a super-3 number, since 3×312522625³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312522593 and 312522602.

It is not an unprimeable number, because it can be changed into a prime (312522629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36451 + ... + 44200.

It is an arithmetic number, because the mean of its divisors is an integer number (25163424).

Almost surely, 2^312522625 is an apocalyptic number.

It is an amenable number.

312522625 is a deficient number, since it is larger than the sum of its proper divisors (90092159).

312522625 is an equidigital number, since it uses as much as digits as its factorization.

312522625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80697 (or 80687 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 312522625 is about 17678.3094497183. The cubic root of 312522625 is about 678.6207807398.

Adding to 312522625 its reverse (526225213), we get a palindrome (838747838).

The spelling of 312522625 in words is "three hundred twelve million, five hundred twenty-two thousand, six hundred twenty-five".