25253115 has 16 divisors (see below), whose sum is σ = 40497408. Its totient is φ = 13437536.

The previous prime is 25253099. The next prime is 25253117. The reversal of 25253115 is 51135252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25253115 - 2⁴ = 25253099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25253117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5872 + ... + 9218.

It is an arithmetic number, because the mean of its divisors is an integer number (2531088).

Almost surely, 2^25253115 is an apocalyptic number.

25253115 is a deficient number, since it is larger than the sum of its proper divisors (15244293).

25253115 is a wasteful number, since it uses less digits than its factorization.

25253115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858.

The product of its digits is 1500, while the sum is 24.

The square root of 25253115 is about 5025.2477550863. The cubic root of 25253115 is about 293.3852790523.

Adding to 25253115 its reverse (51135252), we get a palindrome (76388367).

The spelling of 25253115 in words is "twenty-five million, two hundred fifty-three thousand, one hundred fifteen".