497653881 has 16 divisors (see below), whose sum is σ = 686353920. Its totient is φ = 320405760.

The previous prime is 497653879. The next prime is 497653883. The reversal of 497653881 is 188356794.

It is an interprime number because it is at equal distance from previous prime (497653879) and next prime (497653883).

It is not a de Polignac number, because 497653881 - 2¹ = 497653879 is a prime.

It is a super-2 number, since 2×497653881² = 495318770548724322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (497653883) 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, 42081 + ... + 52593.

It is an arithmetic number, because the mean of its divisors is an integer number (42897120).

Almost surely, 2^497653881 is an apocalyptic number.

It is an amenable number.

497653881 is a deficient number, since it is larger than the sum of its proper divisors (188700039).

497653881 is a wasteful number, since it uses less digits than its factorization.

497653881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11056.

The product of its digits is 1451520, while the sum is 51.

The square root of 497653881 is about 22308.1572748625. The cubic root of 497653881 is about 792.4571686525.

The spelling of 497653881 in words is "four hundred ninety-seven million, six hundred fifty-three thousand, eight hundred eighty-one".