425573121 has 16 divisors (see below), whose sum is σ = 608053824. Its totient is φ = 263806464.

The previous prime is 425573081. The next prime is 425573123. The reversal of 425573121 is 121375524.

It is not a de Polignac number, because 425573121 - 2¹⁷ = 425442049 is a prime.

It is a super-2 number, since 2×425573121² = 362224962635361282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425573123) 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, 46036 + ... + 54501.

It is an arithmetic number, because the mean of its divisors is an integer number (38003364).

Almost surely, 2^425573121 is an apocalyptic number.

It is an amenable number.

425573121 is a deficient number, since it is larger than the sum of its proper divisors (182480703).

425573121 is a wasteful number, since it uses less digits than its factorization.

425573121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100640.

The product of its digits is 8400, while the sum is 30.

The square root of 425573121 is about 20629.4236710578. The cubic root of 425573121 is about 752.1851066736.

The spelling of 425573121 in words is "four hundred twenty-five million, five hundred seventy-three thousand, one hundred twenty-one".