268651597 has 2 divisors, whose sum is σ = 268651598. Its totient is φ = 268651596.

The previous prime is 268651553. The next prime is 268651627. The reversal of 268651597 is 795156862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262245636 + 6405961 = 16194^2 + 2531^2 .

It is a cyclic number.

It is not a de Polignac number, because 268651597 - 2¹⁵ = 268618829 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268651597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268651897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134325798 + 134325799.

It is an arithmetic number, because the mean of its divisors is an integer number (134325799).

Almost surely, 2^268651597 is an apocalyptic number.

It is an amenable number.

268651597 is a deficient number, since it is larger than the sum of its proper divisors (1).

268651597 is an equidigital number, since it uses as much as digits as its factorization.

268651597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 49.

The square root of 268651597 is about 16390.5947726127. The cubic root of 268651597 is about 645.2526678697.

The spelling of 268651597 in words is "two hundred sixty-eight million, six hundred fifty-one thousand, five hundred ninety-seven".