572445457 has 4 divisors (see below), whose sum is σ = 577511460. Its totient is φ = 567379456.

The previous prime is 572445449. The next prime is 572445481. The reversal of 572445457 is 754544275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2954961 + 569490496 = 1719^2 + 23864^2 .

It is a cyclic number.

It is not a de Polignac number, because 572445457 - 2³ = 572445449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572445407) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2532832 + ... + 2533057.

It is an arithmetic number, because the mean of its divisors is an integer number (144377865).

Almost surely, 2^572445457 is an apocalyptic number.

It is an amenable number.

572445457 is a deficient number, since it is larger than the sum of its proper divisors (5066003).

572445457 is a wasteful number, since it uses less digits than its factorization.

572445457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5066002.

The product of its digits is 784000, while the sum is 43.

The square root of 572445457 is about 23925.8324202106. The cubic root of 572445457 is about 830.3184808665.

The spelling of 572445457 in words is "five hundred seventy-two million, four hundred forty-five thousand, four hundred fifty-seven".