52133987 has 2 divisors, whose sum is σ = 52133988. Its totient is φ = 52133986.

The previous prime is 52133981. The next prime is 52133989. The reversal of 52133987 is 78933125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52133987 - 2⁶ = 52133923 is a prime.

Together with 52133989, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52133987.

It is not a weakly prime, because it can be changed into another prime (52133981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26066993 + 26066994.

It is an arithmetic number, because the mean of its divisors is an integer number (26066994).

Almost surely, 2^52133987 is an apocalyptic number.

52133987 is a deficient number, since it is larger than the sum of its proper divisors (1).

52133987 is an equidigital number, since it uses as much as digits as its factorization.

52133987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 38.

The square root of 52133987 is about 7220.3869009908. The cubic root of 52133987 is about 373.5714227637.

The spelling of 52133987 in words is "fifty-two million, one hundred thirty-three thousand, nine hundred eighty-seven".