49636247 has 2 divisors, whose sum is σ = 49636248. Its totient is φ = 49636246.

The previous prime is 49636207. The next prime is 49636259. The reversal of 49636247 is 74263694.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49636247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49636207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24818123 + 24818124.

It is an arithmetic number, because the mean of its divisors is an integer number (24818124).

Almost surely, 2^49636247 is an apocalyptic number.

49636247 is a deficient number, since it is larger than the sum of its proper divisors (1).

49636247 is an equidigital number, since it uses as much as digits as its factorization.

49636247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 41.

The square root of 49636247 is about 7045.2996387663. The cubic root of 49636247 is about 367.5075895821.

The spelling of 49636247 in words is "forty-nine million, six hundred thirty-six thousand, two hundred forty-seven".