1315913225 has 24 divisors (see below), whose sum is σ = 1785302400. Its totient is φ = 954216000.

The previous prime is 1315913197. The next prime is 1315913231. The reversal of 1315913225 is 5223195131.

It is not a de Polignac number, because 1315913225 - 2⁶ = 1315913161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1315913191 and 1315913200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89120 + ... + 102830.

It is an arithmetic number, because the mean of its divisors is an integer number (74387600).

Almost surely, 2^1315913225 is an apocalyptic number.

It is an amenable number.

1315913225 is a deficient number, since it is larger than the sum of its proper divisors (469389175).

1315913225 is a wasteful number, since it uses less digits than its factorization.

1315913225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14081 (or 14076 counting only the distinct ones).

The product of its digits is 8100, while the sum is 32.

The square root of 1315913225 is about 36275.5182595645. The cubic root of 1315913225 is about 1095.8280608433.

The spelling of 1315913225 in words is "one billion, three hundred fifteen million, nine hundred thirteen thousand, two hundred twenty-five".