1363125525 has 12 divisors (see below), whose sum is σ = 2253700992. Its totient is φ = 727000240.

The previous prime is 1363125509. The next prime is 1363125539. The reversal of 1363125525 is 5255213631.

It is a happy number.

It is not a de Polignac number, because 1363125525 - 2⁴ = 1363125509 is a prime.

It is a super-2 number, since 2×1363125525² = 3716222393813051250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9087429 + ... + 9087578.

It is an arithmetic number, because the mean of its divisors is an integer number (187808416).

Almost surely, 2^1363125525 is an apocalyptic number.

1363125525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1363125525 is a deficient number, since it is larger than the sum of its proper divisors (890575467).

1363125525 is a wasteful number, since it uses less digits than its factorization.

1363125525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18175020 (or 18175015 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 1363125525 is about 36920.5298580614. The cubic root of 1363125525 is about 1108.7797441674.

The spelling of 1363125525 in words is "one billion, three hundred sixty-three million, one hundred twenty-five thousand, five hundred twenty-five".