425932591 has 16 divisors (see below), whose sum is σ = 504168448. Its totient is φ = 352123200.

The previous prime is 425932571. The next prime is 425932627. The reversal of 425932591 is 195239524.

It is a cyclic number.

It is not a de Polignac number, because 425932591 - 2¹³ = 425924399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425932571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64786 + ... + 71056.

It is an arithmetic number, because the mean of its divisors is an integer number (31510528).

Almost surely, 2^425932591 is an apocalyptic number.

425932591 is a deficient number, since it is larger than the sum of its proper divisors (78235857).

425932591 is a wasteful number, since it uses less digits than its factorization.

425932591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622.

The product of its digits is 97200, while the sum is 40.

The square root of 425932591 is about 20638.1343875846. The cubic root of 425932591 is about 752.3968304823.

The spelling of 425932591 in words is "four hundred twenty-five million, nine hundred thirty-two thousand, five hundred ninety-one".