497878571 has 4 divisors (see below), whose sum is σ = 503877192. Its totient is φ = 491879952.

The previous prime is 497878543. The next prime is 497878573. The reversal of 497878571 is 175878794.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-497878571 is a prime.

It is a super-2 number, since 2×497878571² = 495766142922004082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497878573) 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, 2999186 + ... + 2999351.

It is an arithmetic number, because the mean of its divisors is an integer number (125969298).

Almost surely, 2^497878571 is an apocalyptic number.

497878571 is a deficient number, since it is larger than the sum of its proper divisors (5998621).

497878571 is an equidigital number, since it uses as much as digits as its factorization.

497878571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5998620.

The product of its digits is 3951360, while the sum is 56.

The square root of 497878571 is about 22313.1927567527. The cubic root of 497878571 is about 792.5764151256.

The spelling of 497878571 in words is "four hundred ninety-seven million, eight hundred seventy-eight thousand, five hundred seventy-one".