500497549 has 4 divisors (see below), whose sum is σ = 522258336. Its totient is φ = 478736764.

The previous prime is 500497523. The next prime is 500497567. The reversal of 500497549 is 945794005.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 500497549 - 2¹⁹ = 499973261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500417549) 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, 10880359 + ... + 10880404.

It is an arithmetic number, because the mean of its divisors is an integer number (130564584).

Almost surely, 2^500497549 is an apocalyptic number.

It is an amenable number.

500497549 is a deficient number, since it is larger than the sum of its proper divisors (21760787).

500497549 is a wasteful number, since it uses less digits than its factorization.

500497549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21760786.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 500497549 is about 22371.8025424864. The cubic root of 500497549 is about 793.9637086412.

The spelling of 500497549 in words is "five hundred million, four hundred ninety-seven thousand, five hundred forty-nine".