25013115 has 24 divisors (see below), whose sum is σ = 43748640. Its totient is φ = 13219584.

The previous prime is 25013113. The next prime is 25013123. The reversal of 25013115 is 51131052.

It is not a de Polignac number, because 25013115 - 2¹ = 25013113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25013113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2626 + ... + 7544.

It is an arithmetic number, because the mean of its divisors is an integer number (1822860).

Almost surely, 2^25013115 is an apocalyptic number.

25013115 is a deficient number, since it is larger than the sum of its proper divisors (18735525).

25013115 is a wasteful number, since it uses less digits than its factorization.

25013115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043 (or 5040 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 25013115 is about 5001.3113280419. The cubic root of 25013115 is about 292.4528962062.

Adding to 25013115 its reverse (51131052), we get a palindrome (76144167).

The spelling of 25013115 in words is "twenty-five million, thirteen thousand, one hundred fifteen".