425085111 has 16 divisors (see below), whose sum is σ = 687006720. Its totient is φ = 257627160.

The previous prime is 425085091. The next prime is 425085151. The reversal of 425085111 is 111580524.

425085111 is a `hidden beast` number, since 42 + 508 + 5 + 111 = 666.

It is not a de Polignac number, because 425085111 - 2⁹ = 425084599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425085151) 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, 715335 + ... + 715928.

It is an arithmetic number, because the mean of its divisors is an integer number (42937920).

Almost surely, 2^425085111 is an apocalyptic number.

425085111 is a deficient number, since it is larger than the sum of its proper divisors (261921609).

425085111 is a wasteful number, since it uses less digits than its factorization.

425085111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431283 (or 1431277 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 425085111 is about 20617.5922697099. The cubic root of 425085111 is about 751.8974833607.

The spelling of 425085111 in words is "four hundred twenty-five million, eighty-five thousand, one hundred eleven".