95319981 has 18 divisors (see below), whose sum is σ = 143938158. Its totient is φ = 60780720.

The previous prime is 95319971. The next prime is 95319989. The reversal of 95319981 is 18991359.

It can be written as a sum of positive squares in only one way, i.e., 57608100 + 37711881 = 7590^2 + 6141^2 .

It is not a de Polignac number, because 95319981 - 2⁷ = 95319853 is a prime.

It is a super-2 number, since 2×95319981² = 18171797555680722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95319989) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5250 + ... + 14771.

Almost surely, 2^95319981 is an apocalyptic number.

It is an amenable number.

95319981 is a deficient number, since it is larger than the sum of its proper divisors (48618177).

95319981 is a wasteful number, since it uses less digits than its factorization.

95319981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20073 (or 20047 counting only the distinct ones).

The product of its digits is 87480, while the sum is 45.

The square root of 95319981 is about 9763.1952249251. The cubic root of 95319981 is about 456.8019849283.

The spelling of 95319981 in words is "ninety-five million, three hundred nineteen thousand, nine hundred eighty-one".