863513497 has 16 divisors (see below), whose sum is σ = 1087696512. Its totient is φ = 665925120.

The previous prime is 863513489. The next prime is 863513503. The reversal of 863513497 is 794315368.

It is not a de Polignac number, because 863513497 - 2³ = 863513489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (863513407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50338 + ... + 65275.

It is an arithmetic number, because the mean of its divisors is an integer number (67981032).

Almost surely, 2^863513497 is an apocalyptic number.

It is an amenable number.

863513497 is a deficient number, since it is larger than the sum of its proper divisors (224183015).

863513497 is a wasteful number, since it uses less digits than its factorization.

863513497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115728.

The product of its digits is 544320, while the sum is 46.

The square root of 863513497 is about 29385.6001640259. The cubic root of 863513497 is about 952.2618301691.

The spelling of 863513497 in words is "eight hundred sixty-three million, five hundred thirteen thousand, four hundred ninety-seven".