25754725 has 12 divisors (see below), whose sum is σ = 31998820. Its totient is φ = 20563200.

The previous prime is 25754723. The next prime is 25754759. The reversal of 25754725 is 52745752.

It can be written as a sum of positive squares in 6 ways, for example, as 1014049 + 24740676 = 1007^2 + 4974^2 .

It is not a de Polignac number, because 25754725 - 2¹ = 25754723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25754723) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 24715 + ... + 25735.

Almost surely, 2^25754725 is an apocalyptic number.

25754725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25754725 is a deficient number, since it is larger than the sum of its proper divisors (6244095).

25754725 is a wasteful number, since it uses less digits than its factorization.

25754725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040 (or 2035 counting only the distinct ones).

The product of its digits is 98000, while the sum is 37.

The square root of 25754725 is about 5074.9113292746. The cubic root of 25754725 is about 295.3150899337.

The spelling of 25754725 in words is "twenty-five million, seven hundred fifty-four thousand, seven hundred twenty-five".