52387037 has 2 divisors, whose sum is σ = 52387038. Its totient is φ = 52387036.

The previous prime is 52387001. The next prime is 52387051. The reversal of 52387037 is 73078325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38800441 + 13586596 = 6229^2 + 3686^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52387037 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52386988 and 52387006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52387057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26193518 + 26193519.

It is an arithmetic number, because the mean of its divisors is an integer number (26193519).

Almost surely, 2^52387037 is an apocalyptic number.

It is an amenable number.

52387037 is a deficient number, since it is larger than the sum of its proper divisors (1).

52387037 is an equidigital number, since it uses as much as digits as its factorization.

52387037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 52387037 is about 7237.8889878196. Note that the first 3 decimals coincide. The cubic root of 52387037 is about 374.1748660385.

The spelling of 52387037 in words is "fifty-two million, three hundred eighty-seven thousand, thirty-seven".