25016535 has 48 divisors (see below), whose sum is σ = 45527040. Its totient is φ = 12692160.

The previous prime is 25016513. The next prime is 25016543. The reversal of 25016535 is 53561052.

25016535 is a `hidden beast` number, since 2 + 5 + 0 + 1 + 653 + 5 = 666.

It is not a de Polignac number, because 25016535 - 2⁶ = 25016471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25016499 and 25016508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110092 + ... + 110318.

It is an arithmetic number, because the mean of its divisors is an integer number (948480).

Almost surely, 2^25016535 is an apocalyptic number.

25016535 is a deficient number, since it is larger than the sum of its proper divisors (20510505).

25016535 is a wasteful number, since it uses less digits than its factorization.

25016535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 25016535 is about 5001.6532266842. The cubic root of 25016535 is about 292.4662244586.

Adding to 25016535 its reverse (53561052), we get a palindrome (78577587).

The spelling of 25016535 in words is "twenty-five million, sixteen thousand, five hundred thirty-five".