478352591 has 2 divisors, whose sum is σ = 478352592. Its totient is φ = 478352590.

The previous prime is 478352573. The next prime is 478352603. The reversal of 478352591 is 195253874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478352591 - 2⁶ = 478352527 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 (478352561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239176295 + 239176296.

It is an arithmetic number, because the mean of its divisors is an integer number (239176296).

Almost surely, 2^478352591 is an apocalyptic number.

478352591 is a deficient number, since it is larger than the sum of its proper divisors (1).

478352591 is an equidigital number, since it uses as much as digits as its factorization.

478352591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 44.

The square root of 478352591 is about 21871.2731911062. The cubic root of 478352591 is about 782.0767531496.

The spelling of 478352591 in words is "four hundred seventy-eight million, three hundred fifty-two thousand, five hundred ninety-one".