23597261 has 2 divisors, whose sum is σ = 23597262. Its totient is φ = 23597260.

The previous prime is 23597209. The next prime is 23597311. The reversal of 23597261 is 16279532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15952036 + 7645225 = 3994^2 + 2765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23597261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23587261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11798630 + 11798631.

It is an arithmetic number, because the mean of its divisors is an integer number (11798631).

Almost surely, 2^23597261 is an apocalyptic number.

It is an amenable number.

23597261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23597261 is an equidigital number, since it uses as much as digits as its factorization.

23597261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 23597261 is about 4857.7012053028. The cubic root of 23597261 is about 286.8273312163.

The spelling of 23597261 in words is "twenty-three million, five hundred ninety-seven thousand, two hundred sixty-one".