85981254 has 16 divisors (see below), whose sum is σ = 172600320. Its totient is φ = 28554120.

The previous prime is 85981249. The next prime is 85981261. The reversal of 85981254 is 45218958.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 24814 + ... + 28065.

It is an arithmetic number, because the mean of its divisors is an integer number (10787520).

Almost surely, 2^85981254 is an apocalyptic number.

85981254 is an abundant number, since it is smaller than the sum of its proper divisors (86619066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85981254 is a wasteful number, since it uses less digits than its factorization.

85981254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53155.

The product of its digits is 115200, while the sum is 42.

The square root of 85981254 is about 9272.6077238283. The cubic root of 85981254 is about 441.3684222326.

The spelling of 85981254 in words is "eighty-five million, nine hundred eighty-one thousand, two hundred fifty-four".