25496903 has 4 divisors (see below), whose sum is σ = 26605488. Its totient is φ = 24388320.

The previous prime is 25496899. The next prime is 25496921. The reversal of 25496903 is 30969452.

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 25496903 - 2² = 25496899 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25496503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554258 + ... + 554303.

It is an arithmetic number, because the mean of its divisors is an integer number (6651372).

Almost surely, 2^25496903 is an apocalyptic number.

25496903 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25496903 is a deficient number, since it is larger than the sum of its proper divisors (1108585).

25496903 is a wasteful number, since it uses less digits than its factorization.

25496903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108584.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 25496903 is about 5049.4458111757. The cubic root of 25496903 is about 294.3263494714.

The spelling of 25496903 in words is "twenty-five million, four hundred ninety-six thousand, nine hundred three".