25041565 has 8 divisors (see below), whose sum is σ = 30147768. Its totient is φ = 19968000.

The previous prime is 25041559. The next prime is 25041571. The reversal of 25041565 is 56514052.

It is an interprime number because it is at equal distance from previous prime (25041559) and next prime (25041571).

It can be written as a sum of positive squares in 4 ways, for example, as 657721 + 24383844 = 811^2 + 4938^2 .

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

It is not a de Polignac number, because 25041565 - 2¹³ = 25033373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6436 + ... + 9565.

It is an arithmetic number, because the mean of its divisors is an integer number (3768471).

Almost surely, 2^25041565 is an apocalyptic number.

It is an amenable number.

25041565 is a deficient number, since it is larger than the sum of its proper divisors (5106203).

25041565 is a wasteful number, since it uses less digits than its factorization.

25041565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16319.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 25041565 is about 5004.1547737855. The cubic root of 25041565 is about 292.5637331596.

The spelling of 25041565 in words is "twenty-five million, forty-one thousand, five hundred sixty-five".