25977201 has 4 divisors (see below), whose sum is σ = 34636272. Its totient is φ = 17318132.

The previous prime is 25977191. The next prime is 25977209. The reversal of 25977201 is 10277952.

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 25977201 - 2⁶ = 25977137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25977209) 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, 4329531 + ... + 4329536.

It is an arithmetic number, because the mean of its divisors is an integer number (8659068).

Almost surely, 2^25977201 is an apocalyptic number.

It is an amenable number.

25977201 is a deficient number, since it is larger than the sum of its proper divisors (8659071).

25977201 is an equidigital number, since it uses as much as digits as its factorization.

25977201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8659070.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 25977201 is about 5096.7833973988. The cubic root of 25977201 is about 296.1629892771.

The spelling of 25977201 in words is "twenty-five million, nine hundred seventy-seven thousand, two hundred one".