23025515 has 8 divisors (see below), whose sum is σ = 27734208. Its totient is φ = 18351360.

The previous prime is 23025491. The next prime is 23025521. The reversal of 23025515 is 51552032.

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

It is not a de Polignac number, because 23025515 - 2⁶ = 23025451 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7142 + ... + 9851.

It is an arithmetic number, because the mean of its divisors is an integer number (3466776).

Almost surely, 2^23025515 is an apocalyptic number.

23025515 is a deficient number, since it is larger than the sum of its proper divisors (4708693).

23025515 is a wasteful number, since it uses less digits than its factorization.

23025515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17269.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 23025515 is about 4798.4909086087. The cubic root of 23025515 is about 284.4918203774.

Adding to 23025515 its reverse (51552032), we get a palindrome (74577547).

The spelling of 23025515 in words is "twenty-three million, twenty-five thousand, five hundred fifteen".