492515911 has 2 divisors, whose sum is σ = 492515912. Its totient is φ = 492515910.

The previous prime is 492515887. The next prime is 492515921. The reversal of 492515911 is 119515294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 492515911 - 2¹⁹ = 491991623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492515921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246257955 + 246257956.

It is an arithmetic number, because the mean of its divisors is an integer number (246257956).

Almost surely, 2^492515911 is an apocalyptic number.

492515911 is a deficient number, since it is larger than the sum of its proper divisors (1).

492515911 is an equidigital number, since it uses as much as digits as its factorization.

492515911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 37.

The square root of 492515911 is about 22192.6994978078. The cubic root of 492515911 is about 789.7205180263.

The spelling of 492515911 in words is "four hundred ninety-two million, five hundred fifteen thousand, nine hundred eleven".