25341665 has 4 divisors (see below), whose sum is σ = 30410004. Its totient is φ = 20273328.

The previous prime is 25341647. The next prime is 25341671. The reversal of 25341665 is 56614352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3429904 + 21911761 = 1852^2 + 4681^2 .

It is a cyclic number.

It is not a de Polignac number, because 25341665 - 2¹⁴ = 25325281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2534162 + ... + 2534171.

It is an arithmetic number, because the mean of its divisors is an integer number (7602501).

Almost surely, 2^25341665 is an apocalyptic number.

It is an amenable number.

25341665 is a deficient number, since it is larger than the sum of its proper divisors (5068339).

25341665 is an equidigital number, since it uses as much as digits as its factorization.

25341665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068338.

The product of its digits is 21600, while the sum is 32.

The square root of 25341665 is about 5034.0505559639. The cubic root of 25341665 is about 293.7277973260.

The spelling of 25341665 in words is "twenty-five million, three hundred forty-one thousand, six hundred sixty-five".