49218203 has 2 divisors, whose sum is σ = 49218204. Its totient is φ = 49218202.

The previous prime is 49218199. The next prime is 49218233. The reversal of 49218203 is 30281294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49218203 - 2² = 49218199 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (49218233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24609101 + 24609102.

It is an arithmetic number, because the mean of its divisors is an integer number (24609102).

Almost surely, 2^49218203 is an apocalyptic number.

49218203 is a deficient number, since it is larger than the sum of its proper divisors (1).

49218203 is an equidigital number, since it uses as much as digits as its factorization.

49218203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 49218203 is about 7015.5686155863. The cubic root of 49218203 is about 366.4729445921.

Adding to 49218203 its reverse (30281294), we get a palindrome (79499497).

The spelling of 49218203 in words is "forty-nine million, two hundred eighteen thousand, two hundred three".