80851925 has 48 divisors (see below), whose sum is σ = 126575232. Its totient is φ = 49766400.

The previous prime is 80851921. The next prime is 80851931. The reversal of 80851925 is 52915808.

It is not a de Polignac number, because 80851925 - 2² = 80851921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80851921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186509 + ... + 186941.

It is an arithmetic number, because the mean of its divisors is an integer number (2636984).

Almost surely, 2^80851925 is an apocalyptic number.

It is an amenable number.

80851925 is a deficient number, since it is larger than the sum of its proper divisors (45723307).

80851925 is a wasteful number, since it uses less digits than its factorization.

80851925 is an odious number, because the sum of its binary digits is odd.

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

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 80851925 is about 8991.7698480333. The cubic root of 80851925 is about 432.4110545817.

The spelling of 80851925 in words is "eighty million, eight hundred fifty-one thousand, nine hundred twenty-five".