26023489 has 2 divisors, whose sum is σ = 26023490. Its totient is φ = 26023488.

The previous prime is 26023463. The next prime is 26023493. The reversal of 26023489 is 98432062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24354225 + 1669264 = 4935^2 + 1292^2 .

It is a cyclic number.

It is not a de Polignac number, because 26023489 - 2¹⁵ = 25990721 is a prime.

It is not a weakly prime, because it can be changed into another prime (26023409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13011744 + 13011745.

It is an arithmetic number, because the mean of its divisors is an integer number (13011745).

Almost surely, 2^26023489 is an apocalyptic number.

It is an amenable number.

26023489 is a deficient number, since it is larger than the sum of its proper divisors (1).

26023489 is an equidigital number, since it uses as much as digits as its factorization.

26023489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 26023489 is about 5101.3222795663. The cubic root of 26023489 is about 296.3387928990.

The spelling of 26023489 in words is "twenty-six million, twenty-three thousand, four hundred eighty-nine".