52525591 has 2 divisors, whose sum is σ = 52525592. Its totient is φ = 52525590.

The previous prime is 52525589. The next prime is 52525601. The reversal of 52525591 is 19552525.

It is a happy number.

52525591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52525591 - 2¹ = 52525589 is a prime.

Together with 52525589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52525541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26262795 + 26262796.

It is an arithmetic number, because the mean of its divisors is an integer number (26262796).

Almost surely, 2^52525591 is an apocalyptic number.

52525591 is a deficient number, since it is larger than the sum of its proper divisors (1).

52525591 is an equidigital number, since it uses as much as digits as its factorization.

52525591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22500, while the sum is 34.

The square root of 52525591 is about 7247.4541047184. The cubic root of 52525591 is about 374.5044500283.

The spelling of 52525591 in words is "fifty-two million, five hundred twenty-five thousand, five hundred ninety-one".