5245040149 has 2 divisors, whose sum is σ = 5245040150. Its totient is φ = 5245040148.

The previous prime is 5245040147. The next prime is 5245040239. The reversal of 5245040149 is 9410405425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3053115025 + 2191925124 = 55255^2 + 46818^2 .

It is a cyclic number.

It is not a de Polignac number, because 5245040149 - 2¹ = 5245040147 is a prime.

Together with 5245040147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5245040147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2622520074 + 2622520075.

It is an arithmetic number, because the mean of its divisors is an integer number (2622520075).

Almost surely, 2^5245040149 is an apocalyptic number.

It is an amenable number.

5245040149 is a deficient number, since it is larger than the sum of its proper divisors (1).

5245040149 is an equidigital number, since it uses as much as digits as its factorization.

5245040149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 5245040149 is about 72422.6494199156. The cubic root of 5245040149 is about 1737.4658301787.

The spelling of 5245040149 in words is "five billion, two hundred forty-five million, forty thousand, one hundred forty-nine".