25420103 has 8 divisors (see below), whose sum is σ = 25946256. Its totient is φ = 24897600.

The previous prime is 25420099. The next prime is 25420139. The reversal of 25420103 is 30102452.

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

It is a cyclic number.

It is not a de Polignac number, because 25420103 - 2² = 25420099 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 (25420163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16400 + ... + 17882.

It is an arithmetic number, because the mean of its divisors is an integer number (3243282).

Almost surely, 2^25420103 is an apocalyptic number.

25420103 is a deficient number, since it is larger than the sum of its proper divisors (526153).

25420103 is a wasteful number, since it uses less digits than its factorization.

25420103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25420103 is about 5041.8352809270. The cubic root of 25420103 is about 294.0305358013.

Adding to 25420103 its reverse (30102452), we get a palindrome (55522555).

The spelling of 25420103 in words is "twenty-five million, four hundred twenty thousand, one hundred three".