2521104349 has 2 divisors, whose sum is σ = 2521104350. Its totient is φ = 2521104348.

The previous prime is 2521104337. The next prime is 2521104367. The reversal of 2521104349 is 9434011252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2106167449 + 414936900 = 45893^2 + 20370^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521104349 - 2¹¹ = 2521102301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2521104349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521104379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260552174 + 1260552175.

It is an arithmetic number, because the mean of its divisors is an integer number (1260552175).

Almost surely, 2^2521104349 is an apocalyptic number.

It is an amenable number.

2521104349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521104349 is an equidigital number, since it uses as much as digits as its factorization.

2521104349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2521104349 is about 50210.5999665409. The cubic root of 2521104349 is about 1361.0171796708.

It can be divided in two parts, 252 and 1104349, that added together give a square (1104601 = 1051²).

The spelling of 2521104349 in words is "two billion, five hundred twenty-one million, one hundred four thousand, three hundred forty-nine".