52309693 has 2 divisors, whose sum is σ = 52309694. Its totient is φ = 52309692.

The previous prime is 52309681. The next prime is 52309703. The reversal of 52309693 is 39690325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48135844 + 4173849 = 6938^2 + 2043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52309693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52309633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26154846 + 26154847.

It is an arithmetic number, because the mean of its divisors is an integer number (26154847).

Almost surely, 2^52309693 is an apocalyptic number.

It is an amenable number.

52309693 is a deficient number, since it is larger than the sum of its proper divisors (1).

52309693 is an equidigital number, since it uses as much as digits as its factorization.

52309693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 52309693 is about 7232.5440199144. The cubic root of 52309693 is about 373.9906319443.

The spelling of 52309693 in words is "fifty-two million, three hundred nine thousand, six hundred ninety-three".