2522724261 has 4 divisors (see below), whose sum is σ = 3363632352. Its totient is φ = 1681816172.

The previous prime is 2522724257. The next prime is 2522724287. The reversal of 2522724261 is 1624272252.

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 a cyclic number.

It is not a de Polignac number, because 2522724261 - 2² = 2522724257 is a prime.

It is a super-2 number, since 2×2522724261² = 12728275394075992242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522724241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420454041 + ... + 420454046.

It is an arithmetic number, because the mean of its divisors is an integer number (840908088).

Almost surely, 2^2522724261 is an apocalyptic number.

It is an amenable number.

2522724261 is a deficient number, since it is larger than the sum of its proper divisors (840908091).

2522724261 is an equidigital number, since it uses as much as digits as its factorization.

2522724261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840908090.

The product of its digits is 26880, while the sum is 33.

The square root of 2522724261 is about 50226.7285516387. The cubic root of 2522724261 is about 1361.3086202085.

The spelling of 2522724261 in words is "two billion, five hundred twenty-two million, seven hundred twenty-four thousand, two hundred sixty-one".