5252600165861 has 2 divisors, whose sum is σ = 5252600165862. Its totient is φ = 5252600165860.

The previous prime is 5252600165851. The next prime is 5252600165863. The reversal of 5252600165861 is 1685610062525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4512200149636 + 740400016225 = 2124194^2 + 860465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5252600165861 is a prime.

Together with 5252600165863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5252600165863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626300082930 + 2626300082931.

It is an arithmetic number, because the mean of its divisors is an integer number (2626300082931).

Almost surely, 2^{5252600165861} is an apocalyptic number.

It is an amenable number.

5252600165861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5252600165861 is an equidigital number, since it uses as much as digits as its factorization.

5252600165861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 5252600165861 in words is "five trillion, two hundred fifty-two billion, six hundred million, one hundred sixty-five thousand, eight hundred sixty-one".