571449025 has 27 divisors (see below), whose sum is σ = 825494691. Its totient is φ = 391277040.

The previous prime is 571449017. The next prime is 571449041. The reversal of 571449025 is 520944175.

The square root of 571449025 is 23905.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 205721649 + 365727376 = 14343^2 + 19124^2 .

It is not a de Polignac number, because 571449025 - 2³ = 571449017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 836334 + ... + 837016.

Almost surely, 2^571449025 is an apocalyptic number.

571449025 is the 23905-th square number.

571449025 is the 11953-rd centered octagonal number.

It is an amenable number.

571449025 is a deficient number, since it is larger than the sum of its proper divisors (254045666).

571449025 is an frugal number, since it uses more digits than its factorization.

571449025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The cubic root of 571449025 is about 829.8364341159.

The spelling of 571449025 in words is "five hundred seventy-one million, four hundred forty-nine thousand, twenty-five".