16255597 has 2 divisors, whose sum is σ = 16255598. Its totient is φ = 16255596.

The previous prime is 16255571. The next prime is 16255601. The reversal of 16255597 is 79555261.

16255597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14032516 + 2223081 = 3746^2 + 1491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16255597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16252597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8127798 + 8127799.

It is an arithmetic number, because the mean of its divisors is an integer number (8127799).

Almost surely, 2^16255597 is an apocalyptic number.

It is an amenable number.

16255597 is a deficient number, since it is larger than the sum of its proper divisors (1).

16255597 is an equidigital number, since it uses as much as digits as its factorization.

16255597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94500, while the sum is 40.

The square root of 16255597 is about 4031.8230367912. The cubic root of 16255597 is about 253.3189278897.

The spelling of 16255597 in words is "sixteen million, two hundred fifty-five thousand, five hundred ninety-seven".