25113115 has 8 divisors (see below), whose sum is σ = 30871008. Its totient is φ = 19600320.

The previous prime is 25113113. The next prime is 25113119. The reversal of 25113115 is 51131152.

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

It is not a de Polignac number, because 25113115 - 2¹ = 25113113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25113092 and 25113101.

It is not an unprimeable number, because it can be changed into a prime (25113113) 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, 61047 + ... + 61456.

It is an arithmetic number, because the mean of its divisors is an integer number (3858876).

Almost surely, 2^25113115 is an apocalyptic number.

25113115 is a deficient number, since it is larger than the sum of its proper divisors (5757893).

25113115 is a wasteful number, since it uses less digits than its factorization.

25113115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122549.

The product of its digits is 150, while the sum is 19.

The square root of 25113115 is about 5011.2987338613. The cubic root of 25113115 is about 292.8421107267.

Adding to 25113115 its reverse (51131152), we get a palindrome (76244267).

It can be divided in two parts, 251 and 13115, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 25113115 in words is "twenty-five million, one hundred thirteen thousand, one hundred fifteen".