2500710221 has 8 divisors (see below), whose sum is σ = 2562516000. Its totient is φ = 2439551920.

The previous prime is 2500710203. The next prime is 2500710257. The reversal of 2500710221 is 1220170052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2500710221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2500710193 and 2500710202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500715221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154046 + ... + 169503.

It is an arithmetic number, because the mean of its divisors is an integer number (320314500).

Almost surely, 2^2500710221 is an apocalyptic number.

It is an amenable number.

2500710221 is a deficient number, since it is larger than the sum of its proper divisors (61805779).

2500710221 is a wasteful number, since it uses less digits than its factorization.

2500710221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323739.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 2500710221 is about 50007.1017056578. The cubic root of 2500710221 is about 1357.3373185551.

Adding to 2500710221 its reverse (1220170052), we get a palindrome (3720880273).

The spelling of 2500710221 in words is "two billion, five hundred million, seven hundred ten thousand, two hundred twenty-one".