25132515 has 16 divisors (see below), whose sum is σ = 40604928. Its totient is φ = 13273056.

The previous prime is 25132501. The next prime is 25132517. The reversal of 25132515 is 51523152.

It is a happy number.

It is not a de Polignac number, because 25132515 - 2⁸ = 25132259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25132517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6589 + ... + 9678.

It is an arithmetic number, because the mean of its divisors is an integer number (2537808).

Almost surely, 2^25132515 is an apocalyptic number.

25132515 is a deficient number, since it is larger than the sum of its proper divisors (15472413).

25132515 is a wasteful number, since it uses less digits than its factorization.

25132515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16378.

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

The square root of 25132515 is about 5013.2339861610. The cubic root of 25132515 is about 292.9174986223.

Adding to 25132515 its reverse (51523152), we get a palindrome (76655667).

The spelling of 25132515 in words is "twenty-five million, one hundred thirty-two thousand, five hundred fifteen".