25030000139 has 2 divisors, whose sum is σ = 25030000140. Its totient is φ = 25030000138.

The previous prime is 25030000103. The next prime is 25030000211. The reversal of 25030000139 is 93100003052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25030000139 is a prime.

It is not a weakly prime, because it can be changed into another prime (25030000339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515000069 + 12515000070.

It is an arithmetic number, because the mean of its divisors is an integer number (12515000070).

Almost surely, 2^25030000139 is an apocalyptic number.

25030000139 is a deficient number, since it is larger than the sum of its proper divisors (1).

25030000139 is an equidigital number, since it uses as much as digits as its factorization.

25030000139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

The spelling of 25030000139 in words is "twenty-five billion, thirty million, one hundred thirty-nine", and thus it is an aban number.