26234257 has 12 divisors (see below), whose sum is σ = 31229616. Its totient is φ = 21961800.

The previous prime is 26234233. The next prime is 26234309. The reversal of 26234257 is 75243262.

It is not a de Polignac number, because 26234257 - 2¹¹ = 26232209 is a prime.

It is a Duffinian number.

26234257 is a modest number, since divided by 4257 gives 2623 as remainder.

It is not an unprimeable number, because it can be changed into a prime (26234227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4119 + ... + 8332.

It is an arithmetic number, because the mean of its divisors is an integer number (2602468).

Almost surely, 2^26234257 is an apocalyptic number.

It is an amenable number.

26234257 is a deficient number, since it is larger than the sum of its proper divisors (4995359).

26234257 is a wasteful number, since it uses less digits than its factorization.

26234257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12508 (or 12501 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 26234257 is about 5121.9387930744. The cubic root of 26234257 is about 297.1366729548.

It can be divided in two parts, 2623 and 4257, that multiplied together give a palindrome (11166111).

The spelling of 26234257 in words is "twenty-six million, two hundred thirty-four thousand, two hundred fifty-seven".