25231402103 has 2 divisors, whose sum is σ = 25231402104. Its totient is φ = 25231402102.

The previous prime is 25231402087. The next prime is 25231402111. The reversal of 25231402103 is 30120413252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25231402103 - 2⁴ = 25231402087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25231402003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12615701051 + 12615701052.

It is an arithmetic number, because the mean of its divisors is an integer number (12615701052).

Almost surely, 2^25231402103 is an apocalyptic number.

25231402103 is a deficient number, since it is larger than the sum of its proper divisors (1).

25231402103 is an equidigital number, since it uses as much as digits as its factorization.

25231402103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 25231402103 its reverse (30120413252), we get a palindrome (55351815355).

The spelling of 25231402103 in words is "twenty-five billion, two hundred thirty-one million, four hundred two thousand, one hundred three".