25031532103 has 2 divisors, whose sum is σ = 25031532104. Its totient is φ = 25031532102.

The previous prime is 25031532089. The next prime is 25031532137. The reversal of 25031532103 is 30123513052.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25031532103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25031532143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515766051 + 12515766052.

It is an arithmetic number, because the mean of its divisors is an integer number (12515766052).

Almost surely, 2^25031532103 is an apocalyptic number.

25031532103 is a deficient number, since it is larger than the sum of its proper divisors (1).

25031532103 is an equidigital number, since it uses as much as digits as its factorization.

25031532103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 25031532103 in words is "twenty-five billion, thirty-one million, five hundred thirty-two thousand, one hundred three".