1377568325 has 48 divisors (see below), whose sum is σ = 2051654400. Its totient is φ = 897093120.

The previous prime is 1377568271. The next prime is 1377568331. The reversal of 1377568325 is 5238657731.

It is not a de Polignac number, because 1377568325 - 2²² = 1373374021 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1377568325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 598577 + ... + 600873.

It is an arithmetic number, because the mean of its divisors is an integer number (42742800).

Almost surely, 2^1377568325 is an apocalyptic number.

It is an amenable number.

1377568325 is a deficient number, since it is larger than the sum of its proper divisors (674086075).

1377568325 is a wasteful number, since it uses less digits than its factorization.

1377568325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486 (or 2481 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 47.

The square root of 1377568325 is about 37115.6075660900. The cubic root of 1377568325 is about 1112.6819666158.

The spelling of 1377568325 in words is "one billion, three hundred seventy-seven million, five hundred sixty-eight thousand, three hundred twenty-five".