492547057 has 2 divisors, whose sum is σ = 492547058. Its totient is φ = 492547056.

The previous prime is 492547037. The next prime is 492547079. The reversal of 492547057 is 750745294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 484044001 + 8503056 = 22001^2 + 2916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492547057 is a prime.

It is a super-2 number, since 2×492547057² = 485205206718722498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (492547037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246273528 + 246273529.

It is an arithmetic number, because the mean of its divisors is an integer number (246273529).

Almost surely, 2^492547057 is an apocalyptic number.

It is an amenable number.

492547057 is a deficient number, since it is larger than the sum of its proper divisors (1).

492547057 is an equidigital number, since it uses as much as digits as its factorization.

492547057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 492547057 is about 22193.4012039615. The cubic root of 492547057 is about 789.7371646065.

The spelling of 492547057 in words is "four hundred ninety-two million, five hundred forty-seven thousand, fifty-seven".