25152645 has 32 divisors (see below), whose sum is σ = 46183680. Its totient is φ = 11450880.

The previous prime is 25152623. The next prime is 25152649. The reversal of 25152645 is 54625152.

It is not a de Polignac number, because 25152645 - 2¹³ = 25144453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25152649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43921 + ... + 44489.

It is an arithmetic number, because the mean of its divisors is an integer number (1443240).

Almost surely, 2^25152645 is an apocalyptic number.

It is an amenable number.

25152645 is a deficient number, since it is larger than the sum of its proper divisors (21031035).

25152645 is a wasteful number, since it uses less digits than its factorization.

25152645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005.

The product of its digits is 12000, while the sum is 30.

The square root of 25152645 is about 5015.2412703678. The cubic root of 25152645 is about 292.9956822778.

Adding to 25152645 its reverse (54625152), we get a palindrome (79777797).

The spelling of 25152645 in words is "twenty-five million, one hundred fifty-two thousand, six hundred forty-five".