25735005 has 24 divisors (see below), whose sum is σ = 44766072. Its totient is φ = 13676544.

The previous prime is 25735001. The next prime is 25735007. The reversal of 25735005 is 50053752.

It can be written as a sum of positive squares in 4 ways, for example, as 5861241 + 19873764 = 2421^2 + 4458^2 .

It is not a de Polignac number, because 25735005 - 2² = 25735001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25735005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25735001) 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, 14317 + ... + 16013.

It is an arithmetic number, because the mean of its divisors is an integer number (1865253).

Almost surely, 2^25735005 is an apocalyptic number.

It is an amenable number.

25735005 is a deficient number, since it is larger than the sum of its proper divisors (19031067).

25735005 is a wasteful number, since it uses less digits than its factorization.

25735005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 25735005 is about 5072.9680661325. The cubic root of 25735005 is about 295.2396979353.

Adding to 25735005 its reverse (50053752), we get a palindrome (75788757).

The spelling of 25735005 in words is "twenty-five million, seven hundred thirty-five thousand, five".