425929885 has 8 divisors (see below), whose sum is σ = 511271640. Its totient is φ = 340640064.

The previous prime is 425929879. The next prime is 425929949. The reversal of 425929885 is 588929524.

It can be written as a sum of positive squares in 4 ways, for example, as 80676324 + 345253561 = 8982^2 + 18581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425929885 - 2¹⁹ = 425405597 is a prime.

It is a super-2 number, since 2×425929885² = 362832533872226450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8211 + ... + 30319.

It is an arithmetic number, because the mean of its divisors is an integer number (63908955).

Almost surely, 2^425929885 is an apocalyptic number.

It is an amenable number.

425929885 is a deficient number, since it is larger than the sum of its proper divisors (85341755).

425929885 is a wasteful number, since it uses less digits than its factorization.

425929885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25967.

The product of its digits is 2073600, while the sum is 52.

The square root of 425929885 is about 20638.0688292292. The cubic root of 425929885 is about 752.3952371237.

The spelling of 425929885 in words is "four hundred twenty-five million, nine hundred twenty-nine thousand, eight hundred eighty-five".