536646457 has 2 divisors, whose sum is σ = 536646458. Its totient is φ = 536646456.

The previous prime is 536646427. The next prime is 536646491. The reversal of 536646457 is 754646635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 448211241 + 88435216 = 21171^2 + 9404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-536646457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (536646427) 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, 268323228 + 268323229.

It is an arithmetic number, because the mean of its divisors is an integer number (268323229).

Almost surely, 2^536646457 is an apocalyptic number.

It is an amenable number.

536646457 is a deficient number, since it is larger than the sum of its proper divisors (1).

536646457 is an equidigital number, since it uses as much as digits as its factorization.

536646457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 46.

The square root of 536646457 is about 23165.6309432746. The cubic root of 536646457 is about 812.6360580670.

The spelling of 536646457 in words is "five hundred thirty-six million, six hundred forty-six thousand, four hundred fifty-seven".