497749481 has 8 divisors (see below), whose sum is σ = 503669760. Its totient is φ = 491854032.

The previous prime is 497749391. The next prime is 497749487. The reversal of 497749481 is 184947794.

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 497749481 - 2¹⁴ = 497733097 is a prime.

It is a super-2 number, since 2×497749481² = 495509091671538722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497749487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35786 + ... + 47708.

It is an arithmetic number, because the mean of its divisors is an integer number (62958720).

Almost surely, 2^497749481 is an apocalyptic number.

It is an amenable number.

497749481 is a deficient number, since it is larger than the sum of its proper divisors (5920279).

497749481 is a wasteful number, since it uses less digits than its factorization.

497749481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12415.

The product of its digits is 2032128, while the sum is 53.

The square root of 497749481 is about 22310.2998859271. The cubic root of 497749481 is about 792.5079094435.

The spelling of 497749481 in words is "four hundred ninety-seven million, seven hundred forty-nine thousand, four hundred eighty-one".