93253981 has 4 divisors (see below), whose sum is σ = 93280572. Its totient is φ = 93227392.

The previous prime is 93253973. The next prime is 93254003. The reversal of 93253981 is 18935239.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66161956 + 27092025 = 8134^2 + 5205^2 .

It is a cyclic number.

It is not a de Polignac number, because 93253981 - 2³ = 93253973 is a prime.

It is a super-2 number, since 2×93253981² = 17392609944696722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93253081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7060 + ... + 15373.

It is an arithmetic number, because the mean of its divisors is an integer number (23320143).

Almost surely, 2^93253981 is an apocalyptic number.

It is an amenable number.

93253981 is a deficient number, since it is larger than the sum of its proper divisors (26591).

93253981 is a wasteful number, since it uses less digits than its factorization.

93253981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26590.

The product of its digits is 58320, while the sum is 40.

The square root of 93253981 is about 9656.8100840806. The cubic root of 93253981 is about 453.4775520940.

The spelling of 93253981 in words is "ninety-three million, two hundred fifty-three thousand, nine hundred eighty-one".