25152705 has 24 divisors (see below), whose sum is σ = 43872192. Its totient is φ = 13330464.

The previous prime is 25152697. The next prime is 25152709. The reversal of 25152705 is 50725152.

It is a happy number.

It is not a de Polignac number, because 25152705 - 2³ = 25152697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25152709) 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, 5842 + ... + 9188.

It is an arithmetic number, because the mean of its divisors is an integer number (1828008).

Almost surely, 2^25152705 is an apocalyptic number.

It is an amenable number.

25152705 is a deficient number, since it is larger than the sum of its proper divisors (18719487).

25152705 is a wasteful number, since it uses less digits than its factorization.

25152705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525 (or 3522 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 25152705 is about 5015.2472521302. The cubic root of 25152705 is about 292.9959152517.

Adding to 25152705 its reverse (50725152), we get a palindrome (75877857).

The spelling of 25152705 in words is "twenty-five million, one hundred fifty-two thousand, seven hundred five".