801335497 has 4 divisors (see below), whose sum is σ = 802910340. Its totient is φ = 799760656.

The previous prime is 801335459. The next prime is 801335503. The reversal of 801335497 is 794533108.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 599809081 + 201526416 = 24491^2 + 14196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-801335497 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801335597) 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, 786658 + ... + 787675.

It is an arithmetic number, because the mean of its divisors is an integer number (200727585).

Almost surely, 2^801335497 is an apocalyptic number.

It is an amenable number.

801335497 is a deficient number, since it is larger than the sum of its proper divisors (1574843).

801335497 is a wasteful number, since it uses less digits than its factorization.

801335497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574842.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 801335497 is about 28307.8698774740. The cubic root of 801335497 is about 928.8340485372.

The spelling of 801335497 in words is "eight hundred one million, three hundred thirty-five thousand, four hundred ninety-seven".