497219771 has 4 divisors (see below), whose sum is σ = 502806600. Its totient is φ = 491632944.

The previous prime is 497219753. The next prime is 497219777. The reversal of 497219771 is 177912794.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 497219771 - 2¹⁴ = 497203387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497219777) 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, 2793281 + ... + 2793458.

It is an arithmetic number, because the mean of its divisors is an integer number (125701650).

Almost surely, 2^497219771 is an apocalyptic number.

497219771 is a deficient number, since it is larger than the sum of its proper divisors (5586829).

497219771 is an equidigital number, since it uses as much as digits as its factorization.

497219771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586828.

The product of its digits is 222264, while the sum is 47.

The square root of 497219771 is about 22298.4253031464. The cubic root of 497219771 is about 792.2266780295.

The spelling of 497219771 in words is "four hundred ninety-seven million, two hundred nineteen thousand, seven hundred seventy-one".