49651013 has 2 divisors, whose sum is σ = 49651014. Its totient is φ = 49651012.

The previous prime is 49651001. The next prime is 49651027. The reversal of 49651013 is 31015694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48469444 + 1181569 = 6962^2 + 1087^2 .

It is a cyclic number.

It is not a de Polignac number, because 49651013 - 2⁶ = 49650949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49653013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24825506 + 24825507.

It is an arithmetic number, because the mean of its divisors is an integer number (24825507).

Almost surely, 2^49651013 is an apocalyptic number.

It is an amenable number.

49651013 is a deficient number, since it is larger than the sum of its proper divisors (1).

49651013 is an equidigital number, since it uses as much as digits as its factorization.

49651013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 49651013 is about 7046.3474935601. The cubic root of 49651013 is about 367.5440285380.

The spelling of 49651013 in words is "forty-nine million, six hundred fifty-one thousand, thirteen".