52305691 has 2 divisors, whose sum is σ = 52305692. Its totient is φ = 52305690.

The previous prime is 52305637. The next prime is 52305707. The reversal of 52305691 is 19650325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52305691 - 2⁹ = 52305179 is a prime.

It is not a weakly prime, because it can be changed into another prime (52305391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26152845 + 26152846.

It is an arithmetic number, because the mean of its divisors is an integer number (26152846).

Almost surely, 2^52305691 is an apocalyptic number.

52305691 is a deficient number, since it is larger than the sum of its proper divisors (1).

52305691 is an equidigital number, since it uses as much as digits as its factorization.

52305691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 52305691 is about 7232.2673484876. The cubic root of 52305691 is about 373.9810942048.

The spelling of 52305691 in words is "fifty-two million, three hundred five thousand, six hundred ninety-one".