85280925 has 48 divisors (see below), whose sum is σ = 150472512. Its totient is φ = 42470400.

The previous prime is 85280887. The next prime is 85280939. The reversal of 85280925 is 52908258.

It is not a de Polignac number, because 85280925 - 2⁸ = 85280669 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 268867 + ... + 269183.

It is an arithmetic number, because the mean of its divisors is an integer number (3134844).

Almost surely, 2^85280925 is an apocalyptic number.

85280925 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85280925 is a deficient number, since it is larger than the sum of its proper divisors (65191587).

85280925 is a wasteful number, since it uses less digits than its factorization.

85280925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 85280925 is about 9234.7671871033. The cubic root of 85280925 is about 440.1668186326.

The spelling of 85280925 in words is "eighty-five million, two hundred eighty thousand, nine hundred twenty-five".