995813281 has 8 divisors (see below), whose sum is σ = 1031803200. Its totient is φ = 959933520.

The previous prime is 995813263. The next prime is 995813293. The reversal of 995813281 is 182318599.

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 995813281 - 2²⁵ = 962258849 is a prime.

It is a super-2 number, since 2×995813281² = 1983288181231969922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (995813201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8911 + ... + 45508.

It is an arithmetic number, because the mean of its divisors is an integer number (128975400).

Almost surely, 2^995813281 is an apocalyptic number.

995813281 is the 14113-rd centered decagonal number.

It is an amenable number.

995813281 is a deficient number, since it is larger than the sum of its proper divisors (35989919).

995813281 is a wasteful number, since it uses less digits than its factorization.

995813281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55079.

The product of its digits is 155520, while the sum is 46.

The square root of 995813281 is about 31556.5093285046. The cubic root of 995813281 is about 998.6024748332.

The spelling of 995813281 in words is "nine hundred ninety-five million, eight hundred thirteen thousand, two hundred eighty-one".