2552306749 has 2 divisors, whose sum is σ = 2552306750. Its totient is φ = 2552306748.

The previous prime is 2552306719. The next prime is 2552306759. The reversal of 2552306749 is 9476032552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2385638649 + 166668100 = 48843^2 + 12910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2552306749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2552306719) 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 as a sum of consecutive naturals, namely, 1276153374 + 1276153375.

It is an arithmetic number, because the mean of its divisors is an integer number (1276153375).

Almost surely, 2^2552306749 is an apocalyptic number.

It is an amenable number.

2552306749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552306749 is an equidigital number, since it uses as much as digits as its factorization.

2552306749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 2552306749 is about 50520.3597473335. The cubic root of 2552306749 is about 1366.6090412810.

The spelling of 2552306749 in words is "two billion, five hundred fifty-two million, three hundred six thousand, seven hundred forty-nine".