25348865 has 8 divisors (see below), whose sum is σ = 31160808. Its totient is φ = 19784320.

The previous prime is 25348859. The next prime is 25348867. The reversal of 25348865 is 56884352.

It can be written as a sum of positive squares in 4 ways, for example, as 588289 + 24760576 = 767^2 + 4976^2 .

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

It is not a de Polignac number, because 25348865 - 2⁴ = 25348849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25348867) 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, 61622 + ... + 62031.

It is an arithmetic number, because the mean of its divisors is an integer number (3895101).

Almost surely, 2^25348865 is an apocalyptic number.

It is an amenable number.

25348865 is a deficient number, since it is larger than the sum of its proper divisors (5811943).

25348865 is a wasteful number, since it uses less digits than its factorization.

25348865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123699.

The product of its digits is 230400, while the sum is 41.

The square root of 25348865 is about 5034.7656350619. The cubic root of 25348865 is about 293.7556123871.

The spelling of 25348865 in words is "twenty-five million, three hundred forty-eight thousand, eight hundred sixty-five".