815032897 has 16 divisors (see below), whose sum is σ = 951713280. Its totient is φ = 683578368.

The previous prime is 815032877. The next prime is 815032909. The reversal of 815032897 is 798230518.

It is a cyclic number.

It is not a de Polignac number, because 815032897 - 2¹⁵ = 815000129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (815032837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53688 + ... + 67174.

It is an arithmetic number, because the mean of its divisors is an integer number (59482080).

Almost surely, 2^815032897 is an apocalyptic number.

It is an amenable number.

815032897 is a deficient number, since it is larger than the sum of its proper divisors (136680383).

815032897 is a wasteful number, since it uses less digits than its factorization.

815032897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13680.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 815032897 is about 28548.7810072514. The cubic root of 815032897 is about 934.0964311754.

The spelling of 815032897 in words is "eight hundred fifteen million, thirty-two thousand, eight hundred ninety-seven".