492520939 has 2 divisors, whose sum is σ = 492520940. Its totient is φ = 492520938.

The previous prime is 492520879. The next prime is 492520961. The reversal of 492520939 is 939025294.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 492520939 - 2⁷ = 492520811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 492520895 and 492520904.

It is not a weakly prime, because it can be changed into another prime (492520139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246260469 + 246260470.

It is an arithmetic number, because the mean of its divisors is an integer number (246260470).

Almost surely, 2^492520939 is an apocalyptic number.

492520939 is a deficient number, since it is larger than the sum of its proper divisors (1).

492520939 is an equidigital number, since it uses as much as digits as its factorization.

492520939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 492520939 is about 22192.8127780144. The cubic root of 492520939 is about 789.7232053854.

The spelling of 492520939 in words is "four hundred ninety-two million, five hundred twenty thousand, nine hundred thirty-nine".