26412257 has 4 divisors (see below), whose sum is σ = 27560640. Its totient is φ = 25263876.

The previous prime is 26412247. The next prime is 26412283. The reversal of 26412257 is 75221462.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26412257 - 2¹⁶ = 26346721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26412247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574157 + ... + 574202.

It is an arithmetic number, because the mean of its divisors is an integer number (6890160).

Almost surely, 2^26412257 is an apocalyptic number.

It is an amenable number.

26412257 is a deficient number, since it is larger than the sum of its proper divisors (1148383).

26412257 is a wasteful number, since it uses less digits than its factorization.

26412257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148382.

The product of its digits is 6720, while the sum is 29.

The square root of 26412257 is about 5139.2856507495. The cubic root of 26412257 is about 297.8071850006.

It can be divided in two parts, 264 and 12257, that added together give a palindrome (12521).

The spelling of 26412257 in words is "twenty-six million, four hundred twelve thousand, two hundred fifty-seven".