474799561 has 2 divisors, whose sum is σ = 474799562. Its totient is φ = 474799560.

The previous prime is 474799547. The next prime is 474799573. The reversal of 474799561 is 165997474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420865225 + 53934336 = 20515^2 + 7344^2 .

It is a cyclic number.

It is not a de Polignac number, because 474799561 - 2¹⁵ = 474766793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 474799499 and 474799508.

It is not a weakly prime, because it can be changed into another prime (474799261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237399780 + 237399781.

It is an arithmetic number, because the mean of its divisors is an integer number (237399781).

Almost surely, 2^474799561 is an apocalyptic number.

It is an amenable number.

474799561 is a deficient number, since it is larger than the sum of its proper divisors (1).

474799561 is an equidigital number, since it uses as much as digits as its factorization.

474799561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The square root of 474799561 is about 21789.8958464698. The cubic root of 474799561 is about 780.1356114200.

The spelling of 474799561 in words is "four hundred seventy-four million, seven hundred ninety-nine thousand, five hundred sixty-one".