49213837 has 2 divisors, whose sum is σ = 49213838. Its totient is φ = 49213836.

The previous prime is 49213831. The next prime is 49213849. The reversal of 49213837 is 73831294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38118276 + 11095561 = 6174^2 + 3331^2 .

It is a cyclic number.

It is not a de Polignac number, because 49213837 - 2¹⁹ = 48689549 is a prime.

It is equal to p_2956654 and since 49213837 and 2956654 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 49213796 and 49213805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49213831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24606918 + 24606919.

It is an arithmetic number, because the mean of its divisors is an integer number (24606919).

Almost surely, 2^49213837 is an apocalyptic number.

It is an amenable number.

49213837 is a deficient number, since it is larger than the sum of its proper divisors (1).

49213837 is an equidigital number, since it uses as much as digits as its factorization.

49213837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 49213837 is about 7015.2574436011. The cubic root of 49213837 is about 366.4621080310.

The spelling of 49213837 in words is "forty-nine million, two hundred thirteen thousand, eight hundred thirty-seven".