26257201 has 4 divisors (see below), whose sum is σ = 26298432. Its totient is φ = 26215972.

The previous prime is 26257171. The next prime is 26257211. The reversal of 26257201 is 10275262.

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 26257201 - 2⁵ = 26257169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26257211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19645 + ... + 20938.

It is an arithmetic number, because the mean of its divisors is an integer number (6574608).

Almost surely, 2^26257201 is an apocalyptic number.

It is an amenable number.

26257201 is a deficient number, since it is larger than the sum of its proper divisors (41231).

26257201 is an equidigital number, since it uses as much as digits as its factorization.

26257201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41230.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 26257201 is about 5124.1780804340. The cubic root of 26257201 is about 297.2232711421.

The spelling of 26257201 in words is "twenty-six million, two hundred fifty-seven thousand, two hundred one".