25243103 has 2 divisors, whose sum is σ = 25243104. Its totient is φ = 25243102.

The previous prime is 25243069. The next prime is 25243109. The reversal of 25243103 is 30134252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25243103 - 2¹² = 25239007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25243109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12621551 + 12621552.

It is an arithmetic number, because the mean of its divisors is an integer number (12621552).

Almost surely, 2^25243103 is an apocalyptic number.

25243103 is a deficient number, since it is larger than the sum of its proper divisors (1).

25243103 is an equidigital number, since it uses as much as digits as its factorization.

25243103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 25243103 is about 5024.2514865401. The cubic root of 25243103 is about 293.3465015037.

Adding to 25243103 its reverse (30134252), we get a palindrome (55377355).

The spelling of 25243103 in words is "twenty-five million, two hundred forty-three thousand, one hundred three".