1312525522 has 32 divisors (see below), whose sum is σ = 2470892544. Its totient is φ = 507978000.

The previous prime is 1312525519. The next prime is 1312525561. The reversal of 1312525522 is 2255252131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4968 + ... + 51475.

It is an arithmetic number, because the mean of its divisors is an integer number (77215392).

Almost surely, 2^1312525522 is an apocalyptic number.

1312525522 is a deficient number, since it is larger than the sum of its proper divisors (1158367022).

1312525522 is a wasteful number, since it uses less digits than its factorization.

1312525522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56614.

The product of its digits is 6000, while the sum is 28.

The square root of 1312525522 is about 36228.7941008254. The cubic root of 1312525522 is about 1094.8868816934.

Adding to 1312525522 its reverse (2255252131), we get a palindrome (3567777653).

The spelling of 1312525522 in words is "one billion, three hundred twelve million, five hundred twenty-five thousand, five hundred twenty-two".