25775393 has 4 divisors (see below), whose sum is σ = 29457600. Its totient is φ = 22093188.

The previous prime is 25775377. The next prime is 25775423. The reversal of 25775393 is 39357752.

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 25775393 - 2⁴ = 25775377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25775393.

It is not an unprimeable number, because it can be changed into a prime (25775303) 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, 1841093 + ... + 1841106.

It is an arithmetic number, because the mean of its divisors is an integer number (7364400).

Almost surely, 2^25775393 is an apocalyptic number.

It is an amenable number.

25775393 is a deficient number, since it is larger than the sum of its proper divisors (3682207).

25775393 is an equidigital number, since it uses as much as digits as its factorization.

25775393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682206.

The product of its digits is 198450, while the sum is 41.

The square root of 25775393 is about 5076.9472126466. The cubic root of 25775393 is about 295.3940649608.

The spelling of 25775393 in words is "twenty-five million, seven hundred seventy-five thousand, three hundred ninety-three".