497257089 has 16 divisors (see below), whose sum is σ = 802297728. Its totient is φ = 267432192.

The previous prime is 497257073. The next prime is 497257127. The reversal of 497257089 is 980752794.

It is not a de Polignac number, because 497257089 - 2⁴ = 497257073 is a prime.

It is a super-2 number, since 2×497257089² = 494529225121507842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (497257009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696082 + ... + 696795.

It is an arithmetic number, because the mean of its divisors is an integer number (50143608).

Almost surely, 2^497257089 is an apocalyptic number.

It is an amenable number.

497257089 is a deficient number, since it is larger than the sum of its proper divisors (305040639).

497257089 is a wasteful number, since it uses less digits than its factorization.

497257089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392904.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 497257089 is about 22299.2620729925. The cubic root of 497257089 is about 792.2464972840.

The spelling of 497257089 in words is "four hundred ninety-seven million, two hundred fifty-seven thousand, eighty-nine".