25838725 has 24 divisors (see below), whose sum is σ = 37015488. Its totient is φ = 17683200.

The previous prime is 25838723. The next prime is 25838737. The reversal of 25838725 is 52783852.

It is not a de Polignac number, because 25838725 - 2¹ = 25838723 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25838723) 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, 1912 + ... + 7438.

It is an arithmetic number, because the mean of its divisors is an integer number (1542312).

Almost surely, 2^25838725 is an apocalyptic number.

25838725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25838725 is a deficient number, since it is larger than the sum of its proper divisors (11176763).

25838725 is a wasteful number, since it uses less digits than its factorization.

25838725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565 (or 5560 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 25838725 is about 5083.1805987984. The cubic root of 25838725 is about 295.6358019227.

It can be divided in two parts, 258 and 38725, that added together give a palindrome (38983).

The spelling of 25838725 in words is "twenty-five million, eight hundred thirty-eight thousand, seven hundred twenty-five".