574470661 has 2 divisors, whose sum is σ = 574470662. Its totient is φ = 574470660.

The previous prime is 574470649. The next prime is 574470671. The reversal of 574470661 is 166074475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 561974436 + 12496225 = 23706^2 + 3535^2 .

It is a cyclic number.

It is not a de Polignac number, because 574470661 - 2⁵ = 574470629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (574470671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287235330 + 287235331.

It is an arithmetic number, because the mean of its divisors is an integer number (287235331).

Almost surely, 2^574470661 is an apocalyptic number.

It is an amenable number.

574470661 is a deficient number, since it is larger than the sum of its proper divisors (1).

574470661 is an equidigital number, since it uses as much as digits as its factorization.

574470661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 574470661 is about 23968.1175940039. The cubic root of 574470661 is about 831.2964984561.

The spelling of 574470661 in words is "five hundred seventy-four million, four hundred seventy thousand, six hundred sixty-one".