49281851 has 2 divisors, whose sum is σ = 49281852. Its totient is φ = 49281850.

The previous prime is 49281821. The next prime is 49281857. The reversal of 49281851 is 15818294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49281851 - 2⁶ = 49281787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49281857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24640925 + 24640926.

It is an arithmetic number, because the mean of its divisors is an integer number (24640926).

Almost surely, 2^49281851 is an apocalyptic number.

49281851 is a deficient number, since it is larger than the sum of its proper divisors (1).

49281851 is an equidigital number, since it uses as much as digits as its factorization.

49281851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 38.

The square root of 49281851 is about 7020.1033468176. The cubic root of 49281851 is about 366.6308483836.

The spelling of 49281851 in words is "forty-nine million, two hundred eighty-one thousand, eight hundred fifty-one".