479332661 has 2 divisors, whose sum is σ = 479332662. Its totient is φ = 479332660.

The previous prime is 479332631. The next prime is 479332687. The reversal of 479332661 is 166233974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411846436 + 67486225 = 20294^2 + 8215^2 .

It is a cyclic number.

It is not a de Polignac number, because 479332661 - 2⁶ = 479332597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479332631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239666330 + 239666331.

It is an arithmetic number, because the mean of its divisors is an integer number (239666331).

Almost surely, 2^479332661 is an apocalyptic number.

It is an amenable number.

479332661 is a deficient number, since it is larger than the sum of its proper divisors (1).

479332661 is an equidigital number, since it uses as much as digits as its factorization.

479332661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 41.

The square root of 479332661 is about 21893.6671437199. The cubic root of 479332661 is about 782.6105066333.

The spelling of 479332661 in words is "four hundred seventy-nine million, three hundred thirty-two thousand, six hundred sixty-one".