2522729549 has 8 divisors (see below), whose sum is σ = 2585306808. Its totient is φ = 2460202240.

The previous prime is 2522729543. The next prime is 2522729551. The reversal of 2522729549 is 9459272252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34515625 + 2488213924 = 5875^2 + 49882^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2522729549 - 2⁴ = 2522729533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522729543) 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, 102779 + ... + 124935.

It is an arithmetic number, because the mean of its divisors is an integer number (323163351).

Almost surely, 2^2522729549 is an apocalyptic number.

It is an amenable number.

2522729549 is a deficient number, since it is larger than the sum of its proper divisors (62577259).

2522729549 is a wasteful number, since it uses less digits than its factorization.

2522729549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24975.

The product of its digits is 907200, while the sum is 47.

The square root of 2522729549 is about 50226.7811929054. The cubic root of 2522729549 is about 1361.3095713753.

The spelling of 2522729549 in words is "two billion, five hundred twenty-two million, seven hundred twenty-nine thousand, five hundred forty-nine".