2501738249 has 2 divisors, whose sum is σ = 2501738250. Its totient is φ = 2501738248.

The previous prime is 2501738203. The next prime is 2501738293. The reversal of 2501738249 is 9428371052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2113057024 + 388681225 = 45968^2 + 19715^2 .

It is a cyclic number.

It is not a de Polignac number, because 2501738249 - 2²⁸ = 2233302793 is a prime.

It is not a weakly prime, because it can be changed into another prime (2501738299) 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, 1250869124 + 1250869125.

It is an arithmetic number, because the mean of its divisors is an integer number (1250869125).

Almost surely, 2^2501738249 is an apocalyptic number.

It is an amenable number.

2501738249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2501738249 is an equidigital number, since it uses as much as digits as its factorization.

2501738249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2501738249 is about 50017.3794695404. The cubic root of 2501738249 is about 1357.5232910027.

The spelling of 2501738249 in words is "two billion, five hundred one million, seven hundred thirty-eight thousand, two hundred forty-nine".