1376412525 has 18 divisors (see below), whose sum is σ = 2465308170. Its totient is φ = 734086560.

The previous prime is 1376412481. The next prime is 1376412551. The reversal of 1376412525 is 5252146731.

1376412525 is a `hidden beast` number, since 1 + 3 + 7 + 641 + 2 + 5 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 354267684 + 1022144841 = 18822^2 + 31971^2 .

It is not a de Polignac number, because 1376412525 - 2⁷ = 1376412397 is a prime.

It is a super-2 number, since 2×1376412525² = 3789022877953751250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1376412525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3058470 + ... + 3058919.

It is an arithmetic number, because the mean of its divisors is an integer number (136961565).

Almost surely, 2^1376412525 is an apocalyptic number.

1376412525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1376412525 is a deficient number, since it is larger than the sum of its proper divisors (1088895645).

1376412525 is a wasteful number, since it uses less digits than its factorization.

1376412525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117405 (or 6117397 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 1376412525 is about 37100.0340296340. The cubic root of 1376412525 is about 1112.3706940569.

The spelling of 1376412525 in words is "one billion, three hundred seventy-six million, four hundred twelve thousand, five hundred twenty-five".