425885523 has 16 divisors (see below), whose sum is σ = 650092800. Its totient is φ = 242941536.

The previous prime is 425885507. The next prime is 425885531. The reversal of 425885523 is 325588524.

It is a happy number.

It is not a de Polignac number, because 425885523 - 2⁴ = 425885507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425885543) 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, 4948 + ... + 29601.

It is an arithmetic number, because the mean of its divisors is an integer number (40630800).

Almost surely, 2^425885523 is an apocalyptic number.

425885523 is a deficient number, since it is larger than the sum of its proper divisors (224207277).

425885523 is a wasteful number, since it uses less digits than its factorization.

425885523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35146.

The product of its digits is 384000, while the sum is 42.

The square root of 425885523 is about 20636.9940398305. The cubic root of 425885523 is about 752.3691147363.

The spelling of 425885523 in words is "four hundred twenty-five million, eight hundred eighty-five thousand, five hundred twenty-three".