1310725625 has 40 divisors (see below), whose sum is σ = 1809095904. Its totient is φ = 941360000.

The previous prime is 1310725607. The next prime is 1310725627. The reversal of 1310725625 is 5265270131.

It is not a de Polignac number, because 1310725625 - 2⁶ = 1310725561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310725591 and 1310725600.

It is not an unprimeable number, because it can be changed into a prime (1310725627) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 569477 + ... + 571773.

Almost surely, 2^1310725625 is an apocalyptic number.

It is an amenable number.

1310725625 is a deficient number, since it is larger than the sum of its proper divisors (498370279).

1310725625 is an equidigital number, since it uses as much as digits as its factorization.

1310725625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411 (or 2396 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1310725625 is about 36203.9448817391. The cubic root of 1310725625 is about 1094.3861714006.

Adding to 1310725625 its reverse (5265270131), we get a palindrome (6575995756).

The spelling of 1310725625 in words is "one billion, three hundred ten million, seven hundred twenty-five thousand, six hundred twenty-five".