25040935 has 4 divisors (see below), whose sum is σ = 30049128. Its totient is φ = 20032744.

The previous prime is 25040933. The next prime is 25040969. The reversal of 25040935 is 53904052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25040935 - 2¹ = 25040933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25040933) 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 3 ways as a sum of consecutive naturals, for example, 2504089 + ... + 2504098.

It is an arithmetic number, because the mean of its divisors is an integer number (7512282).

Almost surely, 2^25040935 is an apocalyptic number.

25040935 is a deficient number, since it is larger than the sum of its proper divisors (5008193).

25040935 is an equidigital number, since it uses as much as digits as its factorization.

25040935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008192.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 25040935 is about 5004.0918256962. The cubic root of 25040935 is about 292.5612796828.

Adding to 25040935 its reverse (53904052), we get a palindrome (78944987).

The spelling of 25040935 in words is "twenty-five million, forty thousand, nine hundred thirty-five".