25340535 has 24 divisors (see below), whose sum is σ = 47917584. Its totient is φ = 12286080.

The previous prime is 25340507. The next prime is 25340551. The reversal of 25340535 is 53504352.

25340535 is a `hidden beast` number, since 253 + 405 + 3 + 5 = 666.

It is not a de Polignac number, because 25340535 - 2⁷ = 25340407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25340499 and 25340508.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 25102 + ... + 26091.

It is an arithmetic number, because the mean of its divisors is an integer number (1996566).

Almost surely, 2^25340535 is an apocalyptic number.

25340535 is a deficient number, since it is larger than the sum of its proper divisors (22577049).

25340535 is a wasteful number, since it uses less digits than its factorization.

25340535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51215 (or 51212 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 25340535 is about 5033.9383190500. The cubic root of 25340535 is about 293.7234314283.

Adding to 25340535 its reverse (53504352), we get a palindrome (78844887).

The spelling of 25340535 in words is "twenty-five million, three hundred forty thousand, five hundred thirty-five".