52378187 has 2 divisors, whose sum is σ = 52378188. Its totient is φ = 52378186.

The previous prime is 52378181. The next prime is 52378201. The reversal of 52378187 is 78187325.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52378187 is a prime.

It is not a weakly prime, because it can be changed into another prime (52378181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26189093 + 26189094.

It is an arithmetic number, because the mean of its divisors is an integer number (26189094).

Almost surely, 2^52378187 is an apocalyptic number.

52378187 is a deficient number, since it is larger than the sum of its proper divisors (1).

52378187 is an equidigital number, since it uses as much as digits as its factorization.

52378187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 41.

The square root of 52378187 is about 7237.2775958920. The cubic root of 52378187 is about 374.1537944513.

The spelling of 52378187 in words is "fifty-two million, three hundred seventy-eight thousand, one hundred eighty-seven".