25065115 has 4 divisors (see below), whose sum is σ = 30078144. Its totient is φ = 20052088.

The previous prime is 25065107. The next prime is 25065119. The reversal of 25065115 is 51156052.

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

It is a cyclic number.

It is not a de Polignac number, because 25065115 - 2³ = 25065107 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 25065115.

It is not an unprimeable number, because it can be changed into a prime (25065119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2506507 + ... + 2506516.

It is an arithmetic number, because the mean of its divisors is an integer number (7519536).

Almost surely, 2^25065115 is an apocalyptic number.

25065115 is a deficient number, since it is larger than the sum of its proper divisors (5013029).

25065115 is an equidigital number, since it uses as much as digits as its factorization.

25065115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013028.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 25065115 is about 5006.5072655495. The cubic root of 25065115 is about 292.6554169556.

The spelling of 25065115 in words is "twenty-five million, sixty-five thousand, one hundred fifteen".