1577048725 has 12 divisors (see below), whose sum is σ = 2234903584. Its totient is φ = 1081404720.

The previous prime is 1577048719. The next prime is 1577048749. The reversal of 1577048725 is 5278407751.

It is not a de Polignac number, because 1577048725 - 2³ = 1577048717 is a prime.

It is a Duffinian number.

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, 4505679 + ... + 4506028.

Almost surely, 2^1577048725 is an apocalyptic number.

It is an amenable number.

1577048725 is a deficient number, since it is larger than the sum of its proper divisors (657854859).

1577048725 is an equidigital number, since it uses as much as digits as its factorization.

1577048725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9011724 (or 9011719 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 46.

The square root of 1577048725 is about 39712.0727864966. The cubic root of 1577048725 is about 1163.9876449230.

The spelling of 1577048725 in words is "one billion, five hundred seventy-seven million, forty-eight thousand, seven hundred twenty-five".