25520035 has 8 divisors (see below), whose sum is σ = 30910896. Its totient is φ = 20224800.

The previous prime is 25520017. The next prime is 25520051. The reversal of 25520035 is 53002552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25520035 - 2⁵ = 25520003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25519988 and 25520015.

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 7 ways as a sum of consecutive naturals, for example, 23316 + ... + 24385.

It is an arithmetic number, because the mean of its divisors is an integer number (3863862).

Almost surely, 2^25520035 is an apocalyptic number.

25520035 is a deficient number, since it is larger than the sum of its proper divisors (5390861).

25520035 is a wasteful number, since it uses less digits than its factorization.

25520035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47813.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 25520035 is about 5051.7358402830. The cubic root of 25520035 is about 294.4153315097.

Adding to 25520035 its reverse (53002552), we get a palindrome (78522587).

The spelling of 25520035 in words is "twenty-five million, five hundred twenty thousand, thirty-five".