85014981 has 16 divisors (see below), whose sum is σ = 127545600. Its totient is φ = 55957824.

The previous prime is 85014967. The next prime is 85014983. The reversal of 85014981 is 18941058.

It is not a de Polignac number, because 85014981 - 2¹⁴ = 84998597 is a prime.

It is a super-2 number, since 2×85014981² = 14455093988860722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85014983) 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, 17796 + ... + 22061.

It is an arithmetic number, because the mean of its divisors is an integer number (7971600).

Almost surely, 2^85014981 is an apocalyptic number.

It is an amenable number.

85014981 is a deficient number, since it is larger than the sum of its proper divisors (42530619).

85014981 is a wasteful number, since it uses less digits than its factorization.

85014981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39945 (or 39939 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 85014981 is about 9220.3568802948. The cubic root of 85014981 is about 439.7087966417.

The spelling of 85014981 in words is "eighty-five million, fourteen thousand, nine hundred eighty-one".