1371654725 has 24 divisors (see below), whose sum is σ = 1945292160. Its totient is φ = 939856320.

The previous prime is 1371654709. The next prime is 1371654733. The reversal of 1371654725 is 5274561731.

It is not a de Polignac number, because 1371654725 - 2⁴ = 1371654709 is a prime.

It is a super-2 number, since 2×1371654725² = 3762873369229651250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353144 + ... + 357006.

It is an arithmetic number, because the mean of its divisors is an integer number (81053840).

Almost surely, 2^1371654725 is an apocalyptic number.

It is an amenable number.

1371654725 is a deficient number, since it is larger than the sum of its proper divisors (573637435).

1371654725 is a wasteful number, since it uses less digits than its factorization.

1371654725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909 (or 5904 counting only the distinct ones).

The product of its digits is 176400, while the sum is 41.

The square root of 1371654725 is about 37035.8572872291. The cubic root of 1371654725 is about 1111.0875159897.

The spelling of 1371654725 in words is "one billion, three hundred seventy-one million, six hundred fifty-four thousand, seven hundred twenty-five".