497704545 has 48 divisors (see below), whose sum is σ = 937394640. Its totient is φ = 242823168.

The previous prime is 497704531. The next prime is 497704547. The reversal of 497704545 is 545407794.

It can be written as a sum of positive squares in 8 ways, for example, as 196196049 + 301508496 = 14007^2 + 17364^2 .

It is not a de Polignac number, because 497704545 - 2¹⁵ = 497671777 is a prime.

It is a super-2 number, since 2×497704545² = 495419628227314050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 497704545.

It is not an unprimeable number, because it can be changed into a prime (497704547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62341 + ... + 69869.

It is an arithmetic number, because the mean of its divisors is an integer number (19529055).

Almost surely, 2^497704545 is an apocalyptic number.

497704545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

497704545 is a deficient number, since it is larger than the sum of its proper divisors (439690095).

497704545 is a wasteful number, since it uses less digits than its factorization.

497704545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666 (or 7663 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 497704545 is about 22309.2927947078. The cubic root of 497704545 is about 792.4840599580.

The spelling of 497704545 in words is "four hundred ninety-seven million, seven hundred four thousand, five hundred forty-five".