52691 has 2 divisors, whose sum is σ = 52692. Its totient is φ = 52690.

The previous prime is 52673. The next prime is 52697. The reversal of 52691 is 19625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52691 - 2⁶ = 52627 is a prime.

It is equal to p₅₃₇₈ and since 52691 and 5378 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26345 + 26346.

It is an arithmetic number, because the mean of its divisors is an integer number (26346).

2⁵²⁶⁹¹ is an apocalyptic number.

52691 is a deficient number, since it is larger than the sum of its proper divisors (1).

52691 is an equidigital number, since it uses as much as digits as its factorization.

52691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 23.

The square root of 52691 is about 229.5452025201. The cubic root of 52691 is about 37.4897156983.

The spelling of 52691 in words is "fifty-two thousand, six hundred ninety-one".