497278031 has 4 divisors (see below), whose sum is σ = 497703864. Its totient is φ = 496852200.

The previous prime is 497278021. The next prime is 497278049. The reversal of 497278031 is 130872794.

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 497278031 - 2⁶ = 497277967 is a prime.

It is a super-2 number, since 2×497278031² = 494570880230473922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 497278031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497278021) 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, 211160 + ... + 213501.

It is an arithmetic number, because the mean of its divisors is an integer number (124425966).

Almost surely, 2^497278031 is an apocalyptic number.

497278031 is a deficient number, since it is larger than the sum of its proper divisors (425833).

497278031 is a wasteful number, since it uses less digits than its factorization.

497278031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425832.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 497278031 is about 22299.7316351565. The cubic root of 497278031 is about 792.2576189577.

The spelling of 497278031 in words is "four hundred ninety-seven million, two hundred seventy-eight thousand, thirty-one".