95381981 has 2 divisors, whose sum is σ = 95381982. Its totient is φ = 95381980.

The previous prime is 95381971. The next prime is 95381983. The reversal of 95381981 is 18918359.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95374756 + 7225 = 9766^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 95381981 - 2¹⁸ = 95119837 is a prime.

It is a super-2 number, since 2×95381981² = 18195444598968722, which contains 22 as substring.

Together with 95381983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (95381983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47690990 + 47690991.

It is an arithmetic number, because the mean of its divisors is an integer number (47690991).

Almost surely, 2^95381981 is an apocalyptic number.

It is an amenable number.

95381981 is a deficient number, since it is larger than the sum of its proper divisors (1).

95381981 is an equidigital number, since it uses as much as digits as its factorization.

95381981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 44.

The square root of 95381981 is about 9766.3698987904. The cubic root of 95381981 is about 456.9010043380.

The spelling of 95381981 in words is "ninety-five million, three hundred eighty-one thousand, nine hundred eighty-one".