492640153 has 2 divisors, whose sum is σ = 492640154. Its totient is φ = 492640152.

The previous prime is 492640097. The next prime is 492640157. The reversal of 492640153 is 351046294.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 481670809 + 10969344 = 21947^2 + 3312^2 .

It is a cyclic number.

It is not a de Polignac number, because 492640153 - 2¹⁷ = 492509081 is a prime.

It is not a weakly prime, because it can be changed into another prime (492640157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246320076 + 246320077.

It is an arithmetic number, because the mean of its divisors is an integer number (246320077).

Almost surely, 2^492640153 is an apocalyptic number.

It is an amenable number.

492640153 is a deficient number, since it is larger than the sum of its proper divisors (1).

492640153 is an equidigital number, since it uses as much as digits as its factorization.

492640153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 492640153 is about 22195.4984850532. The cubic root of 492640153 is about 789.7869173753.

The spelling of 492640153 in words is "four hundred ninety-two million, six hundred forty thousand, one hundred fifty-three".