492097531 has 2 divisors, whose sum is σ = 492097532. Its totient is φ = 492097530.

The previous prime is 492097523. The next prime is 492097537. The reversal of 492097531 is 135790294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 492097531 - 2³ = 492097523 is a prime.

It is a super-2 number, since 2×492097531² = 484319960032591922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (492097537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246048765 + 246048766.

It is an arithmetic number, because the mean of its divisors is an integer number (246048766).

Almost surely, 2^492097531 is an apocalyptic number.

492097531 is a deficient number, since it is larger than the sum of its proper divisors (1).

492097531 is an equidigital number, since it uses as much as digits as its factorization.

492097531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 492097531 is about 22183.2714224030. The cubic root of 492097531 is about 789.4968387072.

The spelling of 492097531 in words is "four hundred ninety-two million, ninety-seven thousand, five hundred thirty-one".