1572432725 has 12 divisors (see below), whose sum is σ = 1951128096. Its totient is φ = 1257100080.

The previous prime is 1572432713. The next prime is 1572432749. The reversal of 1572432725 is 5272342751.

It is not a de Polignac number, because 1572432725 - 2⁶ = 1572432661 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18194 + ... + 58956.

It is an arithmetic number, because the mean of its divisors is an integer number (162594008).

Almost surely, 2^1572432725 is an apocalyptic number.

It is an amenable number.

1572432725 is a deficient number, since it is larger than the sum of its proper divisors (378695371).

1572432725 is a wasteful number, since it uses less digits than its factorization.

1572432725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42316 (or 42311 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 1572432725 is about 39653.9118499045. The cubic root of 1572432725 is about 1162.8508764717.

The spelling of 1572432725 in words is "one billion, five hundred seventy-two million, four hundred thirty-two thousand, seven hundred twenty-five".