415315591 has 2 divisors, whose sum is σ = 415315592. Its totient is φ = 415315590.

The previous prime is 415315553. The next prime is 415315613. The reversal of 415315591 is 195513514.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-415315591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415315891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207657795 + 207657796.

It is an arithmetic number, because the mean of its divisors is an integer number (207657796).

Almost surely, 2^415315591 is an apocalyptic number.

415315591 is a deficient number, since it is larger than the sum of its proper divisors (1).

415315591 is an equidigital number, since it uses as much as digits as its factorization.

415315591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500, while the sum is 34.

The square root of 415315591 is about 20379.2931918651. The cubic root of 415315591 is about 746.0926213562.

The spelling of 415315591 in words is "four hundred fifteen million, three hundred fifteen thousand, five hundred ninety-one".