2500706387 has 8 divisors (see below), whose sum is σ = 2508752400. Its totient is φ = 2492671104.

The previous prime is 2500706371. The next prime is 2500706423. The reversal of 2500706387 is 7836070052.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2500706387 - 2⁴ = 2500706371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2500706387.

It is not an unprimeable number, because it can be changed into a prime (2500756387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873863 + ... + 876719.

It is an arithmetic number, because the mean of its divisors is an integer number (313594050).

Almost surely, 2^2500706387 is an apocalyptic number.

2500706387 is a deficient number, since it is larger than the sum of its proper divisors (8046013).

2500706387 is a wasteful number, since it uses less digits than its factorization.

2500706387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5365.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 2500706387 is about 50007.0633710879. The cubic root of 2500706387 is about 1357.3366248809.

The spelling of 2500706387 in words is "two billion, five hundred million, seven hundred six thousand, three hundred eighty-seven".