492561523 has 2 divisors, whose sum is σ = 492561524. Its totient is φ = 492561522.

The previous prime is 492561521. The next prime is 492561539. The reversal of 492561523 is 325165294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 492561523 - 2¹ = 492561521 is a prime.

Together with 492561521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (492561521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246280761 + 246280762.

It is an arithmetic number, because the mean of its divisors is an integer number (246280762).

Almost surely, 2^492561523 is an apocalyptic number.

492561523 is a deficient number, since it is larger than the sum of its proper divisors (1).

492561523 is an equidigital number, since it uses as much as digits as its factorization.

492561523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

The square root of 492561523 is about 22193.7271092532. The cubic root of 492561523 is about 789.7448960004.

The spelling of 492561523 in words is "four hundred ninety-two million, five hundred sixty-one thousand, five hundred twenty-three".