492080521 has 4 divisors (see below), whose sum is σ = 521026452. Its totient is φ = 463134592.

The previous prime is 492080507. The next prime is 492080527. The reversal of 492080521 is 125080294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 125080294 = 2 ⋅62540147.

It can be written as a sum of positive squares in 2 ways, for example, as 186704896 + 305375625 = 13664^2 + 17475^2 .

It is a cyclic number.

It is not a de Polignac number, because 492080521 - 2¹⁷ = 491949449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492080527) 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, 14472940 + ... + 14472973.

It is an arithmetic number, because the mean of its divisors is an integer number (130256613).

Almost surely, 2^492080521 is an apocalyptic number.

It is an amenable number.

492080521 is a deficient number, since it is larger than the sum of its proper divisors (28945931).

492080521 is a wasteful number, since it uses less digits than its factorization.

492080521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28945930.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 492080521 is about 22182.8880220768. Note that the first 3 decimals coincide. The cubic root of 492080521 is about 789.4877419360.

The spelling of 492080521 in words is "four hundred ninety-two million, eighty thousand, five hundred twenty-one".