94013281 has 8 divisors (see below), whose sum is σ = 100663560. Its totient is φ = 87487488.

The previous prime is 94013251. The next prime is 94013317. The reversal of 94013281 is 18231049.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26625600 + 67387681 = 5160^2 + 8209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 94013281 - 2²³ = 85624673 is a prime.

It is a super-2 number, since 2×94013281² = 17676994008769922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94013221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29556 + ... + 32581.

It is an arithmetic number, because the mean of its divisors is an integer number (12582945).

Almost surely, 2^94013281 is an apocalyptic number.

It is an amenable number.

94013281 is a deficient number, since it is larger than the sum of its proper divisors (6650279).

94013281 is a wasteful number, since it uses less digits than its factorization.

94013281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62243.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 94013281 is about 9696.0446059205. The cubic root of 94013281 is about 454.7050070317.

The spelling of 94013281 in words is "ninety-four million, thirteen thousand, two hundred eighty-one".