26269513 has 2 divisors, whose sum is σ = 26269514. Its totient is φ = 26269512.

The previous prime is 26269511. The next prime is 26269541. The reversal of 26269513 is 31596262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22629049 + 3640464 = 4757^2 + 1908^2 .

It is a cyclic number.

It is not a de Polignac number, because 26269513 - 2¹ = 26269511 is a prime.

Together with 26269511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26269511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13134756 + 13134757.

It is an arithmetic number, because the mean of its divisors is an integer number (13134757).

Almost surely, 2^26269513 is an apocalyptic number.

It is an amenable number.

26269513 is a deficient number, since it is larger than the sum of its proper divisors (1).

26269513 is an equidigital number, since it uses as much as digits as its factorization.

26269513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 26269513 is about 5125.3793030370. The cubic root of 26269513 is about 297.2697198743.

The spelling of 26269513 in words is "twenty-six million, two hundred sixty-nine thousand, five hundred thirteen".