574376981 has 2 divisors, whose sum is σ = 574376982. Its totient is φ = 574376980.

The previous prime is 574376947. The next prime is 574376993. The reversal of 574376981 is 189673475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382554481 + 191822500 = 19559^2 + 13850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-574376981 is a prime.

It is a super-2 number, since 2×574376981² = 659817832605348722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (574376911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287188490 + 287188491.

It is an arithmetic number, because the mean of its divisors is an integer number (287188491).

Almost surely, 2^574376981 is an apocalyptic number.

It is an amenable number.

574376981 is a deficient number, since it is larger than the sum of its proper divisors (1).

574376981 is an equidigital number, since it uses as much as digits as its factorization.

574376981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 50.

The square root of 574376981 is about 23966.1632515511. The cubic root of 574376981 is about 831.2513089772.

The spelling of 574376981 in words is "five hundred seventy-four million, three hundred seventy-six thousand, nine hundred eighty-one".