2500139015 has 8 divisors (see below), whose sum is σ = 3272909328. Its totient is φ = 1818282880.

The previous prime is 2500139011. The next prime is 2500139021. The reversal of 2500139015 is 5109310052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2500139015 - 2² = 2500139011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500139011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22728482 + ... + 22728591.

It is an arithmetic number, because the mean of its divisors is an integer number (409113666).

Almost surely, 2^2500139015 is an apocalyptic number.

2500139015 is a deficient number, since it is larger than the sum of its proper divisors (772770313).

2500139015 is a wasteful number, since it uses less digits than its factorization.

2500139015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45457089.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 2500139015 is about 50001.3901306754. The cubic root of 2500139015 is about 1357.2339641489.

Adding to 2500139015 its reverse (5109310052), we get a palindrome (7609449067).

The spelling of 2500139015 in words is "two billion, five hundred million, one hundred thirty-nine thousand, fifteen".