25852145 has 8 divisors (see below), whose sum is σ = 33842880. Its totient is φ = 18801520.

The previous prime is 25852129. The next prime is 25852187. The reversal of 25852145 is 54125852.

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

It is not a de Polignac number, because 25852145 - 2⁴ = 25852129 is a prime.

It is a super-2 number, since 2×25852145² = 1336666802202050, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234965 + ... + 235074.

It is an arithmetic number, because the mean of its divisors is an integer number (4230360).

Almost surely, 2^25852145 is an apocalyptic number.

It is an amenable number.

25852145 is a deficient number, since it is larger than the sum of its proper divisors (7990735).

25852145 is a wasteful number, since it uses less digits than its factorization.

25852145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470055.

The product of its digits is 16000, while the sum is 32.

The square root of 25852145 is about 5084.5004671059. The cubic root of 25852145 is about 295.6869750591.

Adding to 25852145 its reverse (54125852), we get a palindrome (79977997).

It can be divided in two parts, 2585214 and 5, that multiplied together give a triangular number (12926070 = T₅₀₈₄).

The spelling of 25852145 in words is "twenty-five million, eight hundred fifty-two thousand, one hundred forty-five".