49124281 has 2 divisors, whose sum is σ = 49124282. Its totient is φ = 49124280.

The previous prime is 49124249. The next prime is 49124357. The reversal of 49124281 is 18242194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47485881 + 1638400 = 6891^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 49124281 - 2⁵ = 49124249 is a prime.

It is a super-2 number, since 2×49124281² = 4826389967533922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49124221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24562140 + 24562141.

It is an arithmetic number, because the mean of its divisors is an integer number (24562141).

Almost surely, 2^49124281 is an apocalyptic number.

It is an amenable number.

49124281 is a deficient number, since it is larger than the sum of its proper divisors (1).

49124281 is an equidigital number, since it uses as much as digits as its factorization.

49124281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 49124281 is about 7008.8715924891. The cubic root of 49124281 is about 366.2396854368.

The spelling of 49124281 in words is "forty-nine million, one hundred twenty-four thousand, two hundred eighty-one".