52494287 has 2 divisors, whose sum is σ = 52494288. Its totient is φ = 52494286.

The previous prime is 52494251. The next prime is 52494293. The reversal of 52494287 is 78249425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52494287 - 2⁶ = 52494223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52494187) 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, 26247143 + 26247144.

It is an arithmetic number, because the mean of its divisors is an integer number (26247144).

Almost surely, 2^52494287 is an apocalyptic number.

52494287 is a deficient number, since it is larger than the sum of its proper divisors (1).

52494287 is an equidigital number, since it uses as much as digits as its factorization.

52494287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 52494287 is about 7245.2941279150. The cubic root of 52494287 is about 374.4300366689.

The spelling of 52494287 in words is "fifty-two million, four hundred ninety-four thousand, two hundred eighty-seven".