2502490139 has 2 divisors, whose sum is σ = 2502490140. Its totient is φ = 2502490138.

The previous prime is 2502490103. The next prime is 2502490141. The reversal of 2502490139 is 9310942052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2502490139 is a prime.

Together with 2502490141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2502490099 and 2502490108.

It is not a weakly prime, because it can be changed into another prime (2502493139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251245069 + 1251245070.

It is an arithmetic number, because the mean of its divisors is an integer number (1251245070).

Almost surely, 2^2502490139 is an apocalyptic number.

2502490139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2502490139 is an equidigital number, since it uses as much as digits as its factorization.

2502490139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2502490139 is about 50024.8951922940. The cubic root of 2502490139 is about 1357.6592772445.

The spelling of 2502490139 in words is "two billion, five hundred two million, four hundred ninety thousand, one hundred thirty-nine".