492046561 has 2 divisors, whose sum is σ = 492046562. Its totient is φ = 492046560.

The previous prime is 492046547. The next prime is 492046603. The reversal of 492046561 is 165640294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250430625 + 241615936 = 15825^2 + 15544^2 .

It is a cyclic number.

It is not a de Polignac number, because 492046561 - 2⁷ = 492046433 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 492046561.

It is not a weakly prime, because it can be changed into another prime (492046501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246023280 + 246023281.

It is an arithmetic number, because the mean of its divisors is an integer number (246023281).

Almost surely, 2^492046561 is an apocalyptic number.

It is an amenable number.

492046561 is a deficient number, since it is larger than the sum of its proper divisors (1).

492046561 is an equidigital number, since it uses as much as digits as its factorization.

492046561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 492046561 is about 22182.1225539848. The cubic root of 492046561 is about 789.4695798538.

The spelling of 492046561 in words is "four hundred ninety-two million, forty-six thousand, five hundred sixty-one".