474254021 has 2 divisors, whose sum is σ = 474254022. Its totient is φ = 474254020.

The previous prime is 474253993. The next prime is 474254029. The reversal of 474254021 is 120452474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391644100 + 82609921 = 19790^2 + 9089^2 .

It is a cyclic number.

It is not a de Polignac number, because 474254021 - 2¹⁴ = 474237637 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474254029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237127010 + 237127011.

It is an arithmetic number, because the mean of its divisors is an integer number (237127011).

Almost surely, 2^474254021 is an apocalyptic number.

It is an amenable number.

474254021 is a deficient number, since it is larger than the sum of its proper divisors (1).

474254021 is an equidigital number, since it uses as much as digits as its factorization.

474254021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 474254021 is about 21777.3740611672. The cubic root of 474254021 is about 779.8367075442.

The spelling of 474254021 in words is "four hundred seventy-four million, two hundred fifty-four thousand, twenty-one".