425392589 has 16 divisors (see below), whose sum is σ = 454981296. Its totient is φ = 397094400.

The previous prime is 425392579. The next prime is 425392603. The reversal of 425392589 is 985293524.

It can be written as a sum of positive squares in 8 ways, for example, as 140896900 + 284495689 = 11870^2 + 16867^2 .

It is a cyclic number.

It is not a de Polignac number, because 425392589 - 2⁴ = 425392573 is a prime.

It is a super-2 number, since 2×425392589² = 361917709552245842, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425392559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90239 + ... + 94835.

It is an arithmetic number, because the mean of its divisors is an integer number (28436331).

Almost surely, 2^425392589 is an apocalyptic number.

It is an amenable number.

425392589 is a deficient number, since it is larger than the sum of its proper divisors (29588707).

425392589 is a wasteful number, since it uses less digits than its factorization.

425392589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736.

The product of its digits is 777600, while the sum is 47.

The square root of 425392589 is about 20625.0476120663. The cubic root of 425392589 is about 752.0787303690.

The spelling of 425392589 in words is "four hundred twenty-five million, three hundred ninety-two thousand, five hundred eighty-nine".