52134991 has 2 divisors, whose sum is σ = 52134992. Its totient is φ = 52134990.

The previous prime is 52134983. The next prime is 52135033. The reversal of 52134991 is 19943125.

52134991 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 52134991 - 2³ = 52134983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52134941) 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, 26067495 + 26067496.

It is an arithmetic number, because the mean of its divisors is an integer number (26067496).

Almost surely, 2^52134991 is an apocalyptic number.

52134991 is a deficient number, since it is larger than the sum of its proper divisors (1).

52134991 is an equidigital number, since it uses as much as digits as its factorization.

52134991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 34.

The square root of 52134991 is about 7220.4564260163. The cubic root of 52134991 is about 373.5738208366.

The spelling of 52134991 in words is "fifty-two million, one hundred thirty-four thousand, nine hundred ninety-one".