49206013 has 2 divisors, whose sum is σ = 49206014. Its totient is φ = 49206012.

The previous prime is 49205999. The next prime is 49206043. The reversal of 49206013 is 31060294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48958009 + 248004 = 6997^2 + 498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49206013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49206043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24603006 + 24603007.

It is an arithmetic number, because the mean of its divisors is an integer number (24603007).

Almost surely, 2^49206013 is an apocalyptic number.

It is an amenable number.

49206013 is a deficient number, since it is larger than the sum of its proper divisors (1).

49206013 is an equidigital number, since it uses as much as digits as its factorization.

49206013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 49206013 is about 7014.6997797482. The cubic root of 49206013 is about 366.4426869923.

The spelling of 49206013 in words is "forty-nine million, two hundred six thousand, thirteen".