25372103 has 2 divisors, whose sum is σ = 25372104. Its totient is φ = 25372102.

The previous prime is 25372097. The next prime is 25372133. The reversal of 25372103 is 30127352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25372103 - 2¹⁴ = 25355719 is a prime.

It is a super-2 number, since 2×25372103² = 1287487221285218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25372133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12686051 + 12686052.

It is an arithmetic number, because the mean of its divisors is an integer number (12686052).

Almost surely, 2^25372103 is an apocalyptic number.

25372103 is a deficient number, since it is larger than the sum of its proper divisors (1).

25372103 is an equidigital number, since it uses as much as digits as its factorization.

25372103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 25372103 is about 5037.0728603029. The cubic root of 25372103 is about 293.8453495809.

Adding to 25372103 its sum of digits (23), we get a triangular number (25372126 = T₇₁₂₃).

Adding to 25372103 its reverse (30127352), we get a palindrome (55499455).

The spelling of 25372103 in words is "twenty-five million, three hundred seventy-two thousand, one hundred three".