25366641 has 8 divisors (see below), whose sum is σ = 34046784. Its totient is φ = 16798800.

The previous prime is 25366639. The next prime is 25366643. The reversal of 25366641 is 14666352.

It is an interprime number because it is at equal distance from previous prime (25366639) and next prime (25366643).

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

It is not a de Polignac number, because 25366641 - 2¹ = 25366639 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25366643) 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, 27546 + ... + 28451.

It is an arithmetic number, because the mean of its divisors is an integer number (4255848).

Almost surely, 2^25366641 is an apocalyptic number.

It is an amenable number.

25366641 is a deficient number, since it is larger than the sum of its proper divisors (8680143).

25366641 is a wasteful number, since it uses less digits than its factorization.

25366641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56151.

The product of its digits is 25920, while the sum is 33.

The square root of 25366641 is about 5036.5306511526. The cubic root of 25366641 is about 293.8242621358.

The spelling of 25366641 in words is "twenty-five million, three hundred sixty-six thousand, six hundred forty-one".