2651122241 has 4 divisors (see below), whose sum is σ = 2652978900. Its totient is φ = 2649265584.

The previous prime is 2651122217. The next prime is 2651122247. The reversal of 2651122241 is 1422211562.

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

It can be written as a sum of positive squares in 2 ways, for example, as 943779841 + 1707342400 = 30721^2 + 41320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2651122241 - 2¹⁸ = 2650860097 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 2651122241.

It is not an unprimeable number, because it can be changed into a prime (2651122247) 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, 926186 + ... + 929043.

It is an arithmetic number, because the mean of its divisors is an integer number (663244725).

Almost surely, 2^2651122241 is an apocalyptic number.

It is an amenable number.

2651122241 is a deficient number, since it is larger than the sum of its proper divisors (1856659).

2651122241 is a wasteful number, since it uses less digits than its factorization.

2651122241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856658.

The product of its digits is 1920, while the sum is 26.

The square root of 2651122241 is about 51489.0497193335. The cubic root of 2651122241 is about 1384.0228204733.

The spelling of 2651122241 in words is "two billion, six hundred fifty-one million, one hundred twenty-two thousand, two hundred forty-one".