481534591 has 2 divisors, whose sum is σ = 481534592. Its totient is φ = 481534590.

The previous prime is 481534553. The next prime is 481534609. The reversal of 481534591 is 195435184.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481534591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481534541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240767295 + 240767296.

It is an arithmetic number, because the mean of its divisors is an integer number (240767296).

Almost surely, 2^481534591 is an apocalyptic number.

481534591 is a deficient number, since it is larger than the sum of its proper divisors (1).

481534591 is an equidigital number, since it uses as much as digits as its factorization.

481534591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 40.

The square root of 481534591 is about 21943.8964406962. The cubic root of 481534591 is about 783.8070462391.

The spelling of 481534591 in words is "four hundred eighty-one million, five hundred thirty-four thousand, five hundred ninety-one".