49020173 has 2 divisors, whose sum is σ = 49020174. Its totient is φ = 49020172.

The previous prime is 49020161. The next prime is 49020193. The reversal of 49020173 is 37102094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28922884 + 20097289 = 5378^2 + 4483^2 .

It is a cyclic number.

It is not a de Polignac number, because 49020173 - 2⁸ = 49019917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49020113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24510086 + 24510087.

It is an arithmetic number, because the mean of its divisors is an integer number (24510087).

Almost surely, 2^49020173 is an apocalyptic number.

It is an amenable number.

49020173 is a deficient number, since it is larger than the sum of its proper divisors (1).

49020173 is an equidigital number, since it uses as much as digits as its factorization.

49020173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 49020173 is about 7001.4407802966. The cubic root of 49020173 is about 365.9807812377.

The spelling of 49020173 in words is "forty-nine million, twenty thousand, one hundred seventy-three".