795321981 has 6 divisors (see below), whose sum is σ = 1148798430. Its totient is φ = 530214648.

The previous prime is 795321949. The next prime is 795322009. The reversal of 795321981 is 189123597.

It can be written as a sum of positive squares in only one way, i.e., 460102500 + 335219481 = 21450^2 + 18309^2 .

It is not a de Polignac number, because 795321981 - 2⁵ = 795321949 is a prime.

It is a super-2 number, since 2×795321981² = 1265074106923528722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (795321941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44184546 + ... + 44184563.

It is an arithmetic number, because the mean of its divisors is an integer number (191466405).

Almost surely, 2^795321981 is an apocalyptic number.

It is an amenable number.

795321981 is a deficient number, since it is larger than the sum of its proper divisors (353476449).

795321981 is a wasteful number, since it uses less digits than its factorization.

795321981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88369115 (or 88369112 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 795321981 is about 28201.4535263699. The cubic root of 795321981 is about 926.5047748833.

The spelling of 795321981 in words is "seven hundred ninety-five million, three hundred twenty-one thousand, nine hundred eighty-one".