52492309 has 2 divisors, whose sum is σ = 52492310. Its totient is φ = 52492308.

The previous prime is 52492303. The next prime is 52492327. The reversal of 52492309 is 90329425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30195025 + 22297284 = 5495^2 + 4722^2 .

It is a cyclic number.

It is not a de Polignac number, because 52492309 - 2³ = 52492301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52492301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26246154 + 26246155.

It is an arithmetic number, because the mean of its divisors is an integer number (26246155).

Almost surely, 2^52492309 is an apocalyptic number.

It is an amenable number.

52492309 is a deficient number, since it is larger than the sum of its proper divisors (1).

52492309 is an equidigital number, since it uses as much as digits as its factorization.

52492309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 52492309 is about 7245.1576242343. The cubic root of 52492309 is about 374.4253337323.

The spelling of 52492309 in words is "fifty-two million, four hundred ninety-two thousand, three hundred nine".