3125043049 has 2 divisors, whose sum is σ = 3125043050. Its totient is φ = 3125043048.

The previous prime is 3125042909. The next prime is 3125043091. The reversal of 3125043049 is 9403405213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2703480025 + 421563024 = 51995^2 + 20532^2 .

It is an emirp because it is prime and its reverse (9403405213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3125043049 - 2¹⁵ = 3125010281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3125043049.

It is not a weakly prime, because it can be changed into another prime (3125043749) 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 as a sum of consecutive naturals, namely, 1562521524 + 1562521525.

It is an arithmetic number, because the mean of its divisors is an integer number (1562521525).

Almost surely, 2^3125043049 is an apocalyptic number.

It is an amenable number.

3125043049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125043049 is an equidigital number, since it uses as much as digits as its factorization.

3125043049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3125043049 is about 55902.0844781302. The cubic root of 3125043049 is about 1462.0155824644.

The spelling of 3125043049 in words is "three billion, one hundred twenty-five million, forty-three thousand, forty-nine".