2524866139 has 4 divisors (see below), whose sum is σ = 2525006056. Its totient is φ = 2524726224.

The previous prime is 2524866107. The next prime is 2524866151. The reversal of 2524866139 is 9316684252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2524866139 - 2⁵ = 2524866107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2524866439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38034 + ... + 80599.

It is an arithmetic number, because the mean of its divisors is an integer number (631251514).

Almost surely, 2^2524866139 is an apocalyptic number.

2524866139 is a deficient number, since it is larger than the sum of its proper divisors (139917).

2524866139 is a wasteful number, since it uses less digits than its factorization.

2524866139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139916.

The product of its digits is 622080, while the sum is 46.

The square root of 2524866139 is about 50248.0461212175. The cubic root of 2524866139 is about 1361.6937768725.

The spelling of 2524866139 in words is "two billion, five hundred twenty-four million, eight hundred sixty-six thousand, one hundred thirty-nine".