49218233 has 2 divisors, whose sum is σ = 49218234. Its totient is φ = 49218232.

The previous prime is 49218203. The next prime is 49218269. The reversal of 49218233 is 33281294.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34070569 + 15147664 = 5837^2 + 3892^2 .

It is a cyclic number.

It is not a de Polignac number, because 49218233 - 2²² = 45023929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49218233.

It is not a weakly prime, because it can be changed into another prime (49218203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24609116 + 24609117.

It is an arithmetic number, because the mean of its divisors is an integer number (24609117).

Almost surely, 2^49218233 is an apocalyptic number.

It is an amenable number.

49218233 is a deficient number, since it is larger than the sum of its proper divisors (1).

49218233 is an equidigital number, since it uses as much as digits as its factorization.

49218233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 49218233 is about 7015.5707536878. The cubic root of 49218233 is about 366.4730190509.

The spelling of 49218233 in words is "forty-nine million, two hundred eighteen thousand, two hundred thirty-three".