474476521 has 2 divisors, whose sum is σ = 474476522. Its totient is φ = 474476520.

The previous prime is 474476501. The next prime is 474476539. The reversal of 474476521 is 125674474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 439489296 + 34987225 = 20964^2 + 5915^2 .

It is a cyclic number.

It is not a de Polignac number, because 474476521 - 2⁵ = 474476489 is a prime.

It is not a weakly prime, because it can be changed into another prime (474476501) 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, 237238260 + 237238261.

It is an arithmetic number, because the mean of its divisors is an integer number (237238261).

Almost surely, 2^474476521 is an apocalyptic number.

It is an amenable number.

474476521 is a deficient number, since it is larger than the sum of its proper divisors (1).

474476521 is an equidigital number, since it uses as much as digits as its factorization.

474476521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 40.

The square root of 474476521 is about 21782.4819752020. The cubic root of 474476521 is about 779.9586439831.

The spelling of 474476521 in words is "four hundred seventy-four million, four hundred seventy-six thousand, five hundred twenty-one".