49625281 has 2 divisors, whose sum is σ = 49625282. Its totient is φ = 49625280.

The previous prime is 49625273. The next prime is 49625287. The reversal of 49625281 is 18252694.

49625281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48163600 + 1461681 = 6940^2 + 1209^2 .

It is a cyclic number.

It is not a de Polignac number, because 49625281 - 2³ = 49625273 is a prime.

It is a super-2 number, since 2×49625281² = 4925337028657922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49625281.

It is not a weakly prime, because it can be changed into another prime (49625287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24812640 + 24812641.

It is an arithmetic number, because the mean of its divisors is an integer number (24812641).

Almost surely, 2^49625281 is an apocalyptic number.

It is an amenable number.

49625281 is a deficient number, since it is larger than the sum of its proper divisors (1).

49625281 is an equidigital number, since it uses as much as digits as its factorization.

49625281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 49625281 is about 7044.5213464081. The cubic root of 49625281 is about 367.4805234406.

The spelling of 49625281 in words is "forty-nine million, six hundred twenty-five thousand, two hundred eighty-one".