1357513725 has 24 divisors (see below), whose sum is σ = 2247793632. Its totient is φ = 722920000.

The previous prime is 1357513709. The next prime is 1357513727. The reversal of 1357513725 is 5273157531.

It is not a de Polignac number, because 1357513725 - 2⁴ = 1357513709 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357513727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37975 + ... + 64475.

It is an arithmetic number, because the mean of its divisors is an integer number (93658068).

Almost surely, 2^1357513725 is an apocalyptic number.

1357513725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1357513725 is a deficient number, since it is larger than the sum of its proper divisors (890279907).

1357513725 is a wasteful number, since it uses less digits than its factorization.

1357513725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27197 (or 27192 counting only the distinct ones).

The product of its digits is 110250, while the sum is 39.

The square root of 1357513725 is about 36844.4531103394. The cubic root of 1357513725 is about 1107.2560868684.

The spelling of 1357513725 in words is "one billion, three hundred fifty-seven million, five hundred thirteen thousand, seven hundred twenty-five".