25485385 has 8 divisors (see below), whose sum is σ = 30694536. Its totient is φ = 20313600.

The previous prime is 25485371. The next prime is 25485391. The reversal of 25485385 is 58358452.

It can be written as a sum of positive squares in 4 ways, for example, as 355216 + 25130169 = 596^2 + 5013^2 .

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

It is not a de Polignac number, because 25485385 - 2⁵ = 25485353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7816 + ... + 10585.

It is an arithmetic number, because the mean of its divisors is an integer number (3836817).

Almost surely, 2^25485385 is an apocalyptic number.

It is an amenable number.

25485385 is a deficient number, since it is larger than the sum of its proper divisors (5209151).

25485385 is a wasteful number, since it uses less digits than its factorization.

25485385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18683.

The product of its digits is 192000, while the sum is 40.

The square root of 25485385 is about 5048.3051611407. The cubic root of 25485385 is about 294.2820230226.

The spelling of 25485385 in words is "twenty-five million, four hundred eighty-five thousand, three hundred eighty-five".