85190425 has 12 divisors (see below), whose sum is σ = 106340416. Its totient is φ = 67698000.

The previous prime is 85190407. The next prime is 85190431. The reversal of 85190425 is 52409158.

It is not a de Polignac number, because 85190425 - 2⁹ = 85189913 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7509 + ... + 15058.

Almost surely, 2^85190425 is an apocalyptic number.

It is an amenable number.

85190425 is a deficient number, since it is larger than the sum of its proper divisors (21149991).

85190425 is a wasteful number, since it uses less digits than its factorization.

85190425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22728 (or 22723 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 85190425 is about 9229.8659253534. The cubic root of 85190425 is about 440.0110620497.

It can be divided in two parts, 851904 and 25, that added together give a square (851929 = 923²).

The spelling of 85190425 in words is "eighty-five million, one hundred ninety thousand, four hundred twenty-five".