25989103 has 16 divisors (see below), whose sum is σ = 31150080. Its totient is φ = 21200256.

The previous prime is 25989097. The next prime is 25989109. The reversal of 25989103 is 30198952.

It is an interprime number because it is at equal distance from previous prime (25989097) and next prime (25989109).

It is not a de Polignac number, because 25989103 - 2⁹ = 25988591 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 (25989109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54018 + ... + 54496.

It is an arithmetic number, because the mean of its divisors is an integer number (1946880).

Almost surely, 2^25989103 is an apocalyptic number.

25989103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25989103 is a deficient number, since it is larger than the sum of its proper divisors (5160977).

25989103 is a wasteful number, since it uses less digits than its factorization.

25989103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 25989103 is about 5097.9508628468. The cubic root of 25989103 is about 296.2082134680.

The spelling of 25989103 in words is "twenty-five million, nine hundred eighty-nine thousand, one hundred three".