25620267 has 4 divisors (see below), whose sum is σ = 34160360. Its totient is φ = 17080176.

The previous prime is 25620263. The next prime is 25620271. The reversal of 25620267 is 76202652.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25620263) and next prime (25620271).

It is not a de Polignac number, because 25620267 - 2² = 25620263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25620263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4270042 + ... + 4270047.

It is an arithmetic number, because the mean of its divisors is an integer number (8540090).

Almost surely, 2^25620267 is an apocalyptic number.

25620267 is a deficient number, since it is larger than the sum of its proper divisors (8540093).

25620267 is an equidigital number, since it uses as much as digits as its factorization.

25620267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540092.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 25620267 is about 5061.6466688223. The cubic root of 25620267 is about 294.8002746534.

The spelling of 25620267 in words is "twenty-five million, six hundred twenty thousand, two hundred sixty-seven".