25552103 has 12 divisors (see below), whose sum is σ = 27635088. Its totient is φ = 23580480.

The previous prime is 25552099. The next prime is 25552123. The reversal of 25552103 is 30125552.

It is not a de Polignac number, because 25552103 - 2² = 25552099 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25552123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18683 + ... + 20003.

It is an arithmetic number, because the mean of its divisors is an integer number (2302924).

Almost surely, 2^25552103 is an apocalyptic number.

25552103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25552103 is a deficient number, since it is larger than the sum of its proper divisors (2082985).

25552103 is a wasteful number, since it uses less digits than its factorization.

25552103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 25552103 is about 5054.9088023425. The cubic root of 25552103 is about 294.5385988304.

Adding to 25552103 its reverse (30125552), we get a palindrome (55677655).

The spelling of 25552103 in words is "twenty-five million, five hundred fifty-two thousand, one hundred three".