52135091 has 2 divisors, whose sum is σ = 52135092. Its totient is φ = 52135090.

The previous prime is 52135081. The next prime is 52135099. The reversal of 52135091 is 19053125.

52135091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52135091 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52135091.

It is not a weakly prime, because it can be changed into another prime (52135099) 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, 26067545 + 26067546.

It is an arithmetic number, because the mean of its divisors is an integer number (26067546).

Almost surely, 2^52135091 is an apocalyptic number.

52135091 is the 3860-th centered heptagonal number.

52135091 is a deficient number, since it is larger than the sum of its proper divisors (1).

52135091 is an equidigital number, since it uses as much as digits as its factorization.

52135091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 52135091 is about 7220.4633507830. The cubic root of 52135091 is about 373.5740596868.

The spelling of 52135091 in words is "fifty-two million, one hundred thirty-five thousand, ninety-one".