497239451 has 8 divisors (see below), whose sum is σ = 502286400. Its totient is φ = 492211720.

The previous prime is 497239439. The next prime is 497239489. The reversal of 497239451 is 154932794.

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

It is a cyclic number.

It is not a de Polignac number, because 497239451 - 2⁶ = 497239387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497239151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50360 + ... + 59418.

It is an arithmetic number, because the mean of its divisors is an integer number (62785800).

Almost surely, 2^497239451 is an apocalyptic number.

497239451 is a deficient number, since it is larger than the sum of its proper divisors (5046949).

497239451 is a wasteful number, since it uses less digits than its factorization.

497239451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9609.

The product of its digits is 272160, while the sum is 44.

The square root of 497239451 is about 22298.8665855465. The cubic root of 497239451 is about 792.2371300243.

The spelling of 497239451 in words is "four hundred ninety-seven million, two hundred thirty-nine thousand, four hundred fifty-one".