571472381 has 2 divisors, whose sum is σ = 571472382. Its totient is φ = 571472380.

The previous prime is 571472359. The next prime is 571472393. The reversal of 571472381 is 183274175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397364356 + 174108025 = 19934^2 + 13195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-571472381 is a prime.

It is a super-2 number, since 2×571472381² = 653161364491618322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (571472311) by changing a digit.

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 as a sum of consecutive naturals, namely, 285736190 + 285736191.

It is an arithmetic number, because the mean of its divisors is an integer number (285736191).

Almost surely, 2^571472381 is an apocalyptic number.

It is an amenable number.

571472381 is a deficient number, since it is larger than the sum of its proper divisors (1).

571472381 is an equidigital number, since it uses as much as digits as its factorization.

571472381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 38.

The square root of 571472381 is about 23905.4885120551. The cubic root of 571472381 is about 829.8477395254.

The spelling of 571472381 in words is "five hundred seventy-one million, four hundred seventy-two thousand, three hundred eighty-one".