49285217 has 2 divisors, whose sum is σ = 49285218. Its totient is φ = 49285216.

The previous prime is 49285211. The next prime is 49285219. The reversal of 49285217 is 71258294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38987536 + 10297681 = 6244^2 + 3209^2 .

It is a cyclic number.

It is not a de Polignac number, because 49285217 - 2⁶ = 49285153 is a prime.

It is a super-2 number, since 2×49285217² = 4858065229474178, which contains 22 as substring.

Together with 49285219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49285211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24642608 + 24642609.

It is an arithmetic number, because the mean of its divisors is an integer number (24642609).

Almost surely, 2^49285217 is an apocalyptic number.

It is an amenable number.

49285217 is a deficient number, since it is larger than the sum of its proper divisors (1).

49285217 is an equidigital number, since it uses as much as digits as its factorization.

49285217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 49285217 is about 7020.3430827845. The cubic root of 49285217 is about 366.6391952788.

The spelling of 49285217 in words is "forty-nine million, two hundred eighty-five thousand, two hundred seventeen".