474626521 has 2 divisors, whose sum is σ = 474626522. Its totient is φ = 474626520.

The previous prime is 474626513. The next prime is 474626533. The reversal of 474626521 is 125626474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469155600 + 5470921 = 21660^2 + 2339^2 .

It is a cyclic number.

It is not a de Polignac number, because 474626521 - 2³ = 474626513 is a prime.

It is not a weakly prime, because it can be changed into another prime (474626591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237313260 + 237313261.

It is an arithmetic number, because the mean of its divisors is an integer number (237313261).

Almost surely, 2^474626521 is an apocalyptic number.

It is an amenable number.

474626521 is a deficient number, since it is larger than the sum of its proper divisors (1).

474626521 is an equidigital number, since it uses as much as digits as its factorization.

474626521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 474626521 is about 21785.9248369217. The cubic root of 474626521 is about 780.0408268133.

The spelling of 474626521 in words is "four hundred seventy-four million, six hundred twenty-six thousand, five hundred twenty-one".