1513040525 has 12 divisors (see below), whose sum is σ = 1876775712. Its totient is φ = 1210041840.

The previous prime is 1513040521. The next prime is 1513040531. The reversal of 1513040525 is 5250403151.

It is not a de Polignac number, because 1513040525 - 2² = 1513040521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1513040494 and 1513040503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513040521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88742 + ... + 104408.

It is an arithmetic number, because the mean of its divisors is an integer number (156397976).

Almost surely, 2^1513040525 is an apocalyptic number.

It is an amenable number.

1513040525 is a deficient number, since it is larger than the sum of its proper divisors (363735187).

1513040525 is a wasteful number, since it uses less digits than its factorization.

1513040525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19540 (or 19535 counting only the distinct ones).

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

The square root of 1513040525 is about 38897.8215971023. The cubic root of 1513040525 is about 1148.0219366870.

Adding to 1513040525 its reverse (5250403151), we get a palindrome (6763443676).

It can be divided in two parts, 15130 and 40525, that added together give a palindrome (55655).

The spelling of 1513040525 in words is "one billion, five hundred thirteen million, forty thousand, five hundred twenty-five".