572434381 has 2 divisors, whose sum is σ = 572434382. Its totient is φ = 572434380.

The previous prime is 572434351. The next prime is 572434409. The reversal of 572434381 is 183434275.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 492618025 + 79816356 = 22195^2 + 8934^2 .

It is a cyclic number.

It is not a de Polignac number, because 572434381 - 2⁷ = 572434253 is a prime.

It is a super-2 number, since 2×572434381² = 655362241101706322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 572434381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572434301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286217190 + 286217191.

It is an arithmetic number, because the mean of its divisors is an integer number (286217191).

Almost surely, 2^572434381 is an apocalyptic number.

It is an amenable number.

572434381 is a deficient number, since it is larger than the sum of its proper divisors (1).

572434381 is an equidigital number, since it uses as much as digits as its factorization.

572434381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 572434381 is about 23925.6009537901. The cubic root of 572434381 is about 830.3131256740.

The spelling of 572434381 in words is "five hundred seventy-two million, four hundred thirty-four thousand, three hundred eighty-one".