25024135139 has 2 divisors, whose sum is σ = 25024135140. Its totient is φ = 25024135138.

The previous prime is 25024135109. The next prime is 25024135151. The reversal of 25024135139 is 93153142052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25024135139 - 2¹² = 25024131043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25024135099 and 25024135108.

It is not a weakly prime, because it can be changed into another prime (25024135109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12512067569 + 12512067570.

It is an arithmetic number, because the mean of its divisors is an integer number (12512067570).

Almost surely, 2^25024135139 is an apocalyptic number.

25024135139 is a deficient number, since it is larger than the sum of its proper divisors (1).

25024135139 is an equidigital number, since it uses as much as digits as its factorization.

25024135139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 25024135139 in words is "twenty-five billion, twenty-four million, one hundred thirty-five thousand, one hundred thirty-nine".