25977243 has 8 divisors (see below), whose sum is σ = 35830800. Its totient is φ = 16720928.

The previous prime is 25977223. The next prime is 25977271. The reversal of 25977243 is 34277952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25977243 - 2⁶ = 25977179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25977223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149208 + ... + 149381.

It is an arithmetic number, because the mean of its divisors is an integer number (4478850).

Almost surely, 2^25977243 is an apocalyptic number.

25977243 is a deficient number, since it is larger than the sum of its proper divisors (9853557).

25977243 is a wasteful number, since it uses less digits than its factorization.

25977243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298621.

The product of its digits is 105840, while the sum is 39.

The square root of 25977243 is about 5096.7875176429. The cubic root of 25977243 is about 296.1631488893.

The spelling of 25977243 in words is "twenty-five million, nine hundred seventy-seven thousand, two hundred forty-three".