2500022611 has 4 divisors (see below), whose sum is σ = 2500392712. Its totient is φ = 2499652512.

The previous prime is 2500022593. The next prime is 2500022617. The reversal of 2500022611 is 1162200052.

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 2500022611 - 2¹¹ = 2500020563 is a prime.

It is a super-2 number, since 2×2500022611² = 12500226111022514642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500022617) 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 3 ways as a sum of consecutive naturals, for example, 174726 + ... + 188491.

It is an arithmetic number, because the mean of its divisors is an integer number (625098178).

Almost surely, 2^2500022611 is an apocalyptic number.

2500022611 is a deficient number, since it is larger than the sum of its proper divisors (370101).

2500022611 is an equidigital number, since it uses as much as digits as its factorization.

2500022611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370100.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2500022611 is about 50000.2261094887. The cubic root of 2500022611 is about 1357.2128999982.

Adding to 2500022611 its reverse (1162200052), we get a palindrome (3662222663).

The spelling of 2500022611 in words is "two billion, five hundred million, twenty-two thousand, six hundred eleven".