26257459 has 2 divisors, whose sum is σ = 26257460. Its totient is φ = 26257458.

The previous prime is 26257423. The next prime is 26257493. The reversal of 26257459 is 95475262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26257459 - 2¹⁵ = 26224691 is a prime.

It is not a weakly prime, because it can be changed into another prime (26257159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13128729 + 13128730.

It is an arithmetic number, because the mean of its divisors is an integer number (13128730).

Almost surely, 2^26257459 is an apocalyptic number.

26257459 is a deficient number, since it is larger than the sum of its proper divisors (1).

26257459 is an equidigital number, since it uses as much as digits as its factorization.

26257459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 26257459 is about 5124.2032551412. The cubic root of 26257459 is about 297.2242446319.

The spelling of 26257459 in words is "twenty-six million, two hundred fifty-seven thousand, four hundred fifty-nine".