492500557 has 4 divisors (see below), whose sum is σ = 521471196. Its totient is φ = 463529920.

The previous prime is 492500537. The next prime is 492500573. The reversal of 492500557 is 755005294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 373494276 + 119006281 = 19326^2 + 10909^2 .

It is a cyclic number.

It is not a de Polignac number, because 492500557 - 2⁷ = 492500429 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 (492500507) 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, 14485294 + ... + 14485327.

It is an arithmetic number, because the mean of its divisors is an integer number (130367799).

Almost surely, 2^492500557 is an apocalyptic number.

It is an amenable number.

492500557 is a deficient number, since it is larger than the sum of its proper divisors (28970639).

492500557 is a wasteful number, since it uses less digits than its factorization.

492500557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28970638.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 492500557 is about 22192.3535705432. The cubic root of 492500557 is about 789.7123115268.

The spelling of 492500557 in words is "four hundred ninety-two million, five hundred thousand, five hundred fifty-seven".