497215481 has 8 divisors (see below), whose sum is σ = 573275904. Its totient is φ = 422412480.

The previous prime is 497215447. The next prime is 497215489. The reversal of 497215481 is 184512794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-497215481 is a prime.

It is a super-2 number, since 2×497215481² = 494446469092122722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497215489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313505 + ... + 315086.

It is an arithmetic number, because the mean of its divisors is an integer number (71659488).

Almost surely, 2^497215481 is an apocalyptic number.

It is an amenable number.

497215481 is a deficient number, since it is larger than the sum of its proper divisors (76060423).

497215481 is a wasteful number, since it uses less digits than its factorization.

497215481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628711.

The product of its digits is 80640, while the sum is 41.

The square root of 497215481 is about 22298.3291078054. The cubic root of 497215481 is about 792.2243995855.

The spelling of 497215481 in words is "four hundred ninety-seven million, two hundred fifteen thousand, four hundred eighty-one".