49243013 has 2 divisors, whose sum is σ = 49243014. Its totient is φ = 49243012.

The previous prime is 49242997. The next prime is 49243049. The reversal of 49243013 is 31034294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33616804 + 15626209 = 5798^2 + 3953^2 .

It is a cyclic number.

It is not a de Polignac number, because 49243013 - 2⁴ = 49242997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49243613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24621506 + 24621507.

It is an arithmetic number, because the mean of its divisors is an integer number (24621507).

Almost surely, 2^49243013 is an apocalyptic number.

It is an amenable number.

49243013 is a deficient number, since it is larger than the sum of its proper divisors (1).

49243013 is an equidigital number, since it uses as much as digits as its factorization.

49243013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 49243013 is about 7017.3366030140. The cubic root of 49243013 is about 366.5345116946.

The spelling of 49243013 in words is "forty-nine million, two hundred forty-three thousand, thirteen".