52165501 has 2 divisors, whose sum is σ = 52165502. Its totient is φ = 52165500.

The previous prime is 52165457. The next prime is 52165511. The reversal of 52165501 is 10556125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31472100 + 20693401 = 5610^2 + 4549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52165501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52165511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26082750 + 26082751.

It is an arithmetic number, because the mean of its divisors is an integer number (26082751).

Almost surely, 2^52165501 is an apocalyptic number.

It is an amenable number.

52165501 is a deficient number, since it is larger than the sum of its proper divisors (1).

52165501 is an equidigital number, since it uses as much as digits as its factorization.

52165501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 52165501 is about 7222.5688643308. The cubic root of 52165501 is about 373.6466798667.

The spelling of 52165501 in words is "fifty-two million, one hundred sixty-five thousand, five hundred one".