2562461749 has 2 divisors, whose sum is σ = 2562461750. Its totient is φ = 2562461748.

The previous prime is 2562461743. The next prime is 2562461777. The reversal of 2562461749 is 9471642652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2295368100 + 267093649 = 47910^2 + 16343^2 .

It is a cyclic number.

It is not a de Polignac number, because 2562461749 - 2¹⁷ = 2562330677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2562461699 and 2562461708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2562461743) 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, 1281230874 + 1281230875.

It is an arithmetic number, because the mean of its divisors is an integer number (1281230875).

Almost surely, 2^2562461749 is an apocalyptic number.

It is an amenable number.

2562461749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2562461749 is an equidigital number, since it uses as much as digits as its factorization.

2562461749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 2562461749 is about 50620.7640104335. The cubic root of 2562461749 is about 1368.4191097344.

The spelling of 2562461749 in words is "two billion, five hundred sixty-two million, four hundred sixty-one thousand, seven hundred forty-nine".