25268999 has 8 divisors (see below), whose sum is σ = 29810688. Its totient is φ = 20960280.

The previous prime is 25268989. The next prime is 25269017. The reversal of 25268999 is 99986252.

It is a happy number.

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 25268999 - 2¹² = 25264903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25268909) 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, 58007 + ... + 58440.

It is an arithmetic number, because the mean of its divisors is an integer number (3726336).

Almost surely, 2^25268999 is an apocalyptic number.

25268999 is a deficient number, since it is larger than the sum of its proper divisors (4541689).

25268999 is a wasteful number, since it uses less digits than its factorization.

25268999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116485.

The product of its digits is 699840, while the sum is 50.

The square root of 25268999 is about 5026.8279262374. The cubic root of 25268999 is about 293.4467784628.

The spelling of 25268999 in words is "twenty-five million, two hundred sixty-eight thousand, nine hundred ninety-nine".