49015281 has 8 divisors (see below), whose sum is σ = 74689984. Its totient is φ = 28008720.

The previous prime is 49015279. The next prime is 49015289. The reversal of 49015281 is 18251094.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49015281 - 2¹ = 49015279 is a prime.

It is a super-2 number, since 2×49015281² = 4804995543017922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49015289) 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 in 7 ways as a sum of consecutive naturals, for example, 1167010 + ... + 1167051.

It is an arithmetic number, because the mean of its divisors is an integer number (9336248).

Almost surely, 2^49015281 is an apocalyptic number.

It is an amenable number.

49015281 is a deficient number, since it is larger than the sum of its proper divisors (25674703).

49015281 is a wasteful number, since it uses less digits than its factorization.

49015281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334071.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 49015281 is about 7001.0914149152. The cubic root of 49015281 is about 365.9686064028.

The spelling of 49015281 in words is "forty-nine million, fifteen thousand, two hundred eighty-one".