995353521 has 4 divisors (see below), whose sum is σ = 1327138032. Its totient is φ = 663569012.

The previous prime is 995353517. The next prime is 995353529. The reversal of 995353521 is 125353599.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 995353521 - 2² = 995353517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (995353529) 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, 165892251 + ... + 165892256.

It is an arithmetic number, because the mean of its divisors is an integer number (331784508).

Almost surely, 2^995353521 is an apocalyptic number.

It is an amenable number.

995353521 is a deficient number, since it is larger than the sum of its proper divisors (331784511).

995353521 is a wasteful number, since it uses less digits than its factorization.

995353521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331784510.

The product of its digits is 182250, while the sum is 42.

The square root of 995353521 is about 31549.2237780900. The cubic root of 995353521 is about 998.4487685920.

The spelling of 995353521 in words is "nine hundred ninety-five million, three hundred fifty-three thousand, five hundred twenty-one".