2500530213 has 4 divisors (see below), whose sum is σ = 3334040288. Its totient is φ = 1667020140.

The previous prime is 2500530209. The next prime is 2500530217. The reversal of 2500530213 is 3120350052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2500530209) and next prime (2500530217).

It is not a de Polignac number, because 2500530213 - 2² = 2500530209 is a prime.

It is a super-2 number, since 2×2500530213² = 12505302692251650738, which contains 22 as substring.

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 2500530213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500530217) 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 3 ways as a sum of consecutive naturals, for example, 416755033 + ... + 416755038.

It is an arithmetic number, because the mean of its divisors is an integer number (833510072).

Almost surely, 2^2500530213 is an apocalyptic number.

It is an amenable number.

2500530213 is a deficient number, since it is larger than the sum of its proper divisors (833510075).

2500530213 is an equidigital number, since it uses as much as digits as its factorization.

2500530213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833510074.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2500530213 is about 50005.3018489040. The cubic root of 2500530213 is about 1357.3047494824.

Adding to 2500530213 its reverse (3120350052), we get a palindrome (5620880265).

The spelling of 2500530213 in words is "two billion, five hundred million, five hundred thirty thousand, two hundred thirteen".