1315202525 has 48 divisors (see below), whose sum is σ = 2014704384. Its totient is φ = 829370880.

The previous prime is 1315202521. The next prime is 1315202617. The reversal of 1315202525 is 5252025131.

It is not a de Polignac number, because 1315202525 - 2² = 1315202521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1315202494 and 1315202503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315202521) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 711152 + ... + 712998.

It is an arithmetic number, because the mean of its divisors is an integer number (41973008).

Almost surely, 2^1315202525 is an apocalyptic number.

It is an amenable number.

1315202525 is a deficient number, since it is larger than the sum of its proper divisors (699501859).

1315202525 is a wasteful number, since it uses less digits than its factorization.

1315202525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190 (or 2185 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1315202525 is about 36265.7210737633. The cubic root of 1315202525 is about 1095.6307466040.

Adding to 1315202525 its reverse (5252025131), we get a palindrome (6567227656).

The spelling of 1315202525 in words is "one billion, three hundred fifteen million, two hundred two thousand, five hundred twenty-five".