49281231 has 8 divisors (see below), whose sum is σ = 69166720. Its totient is φ = 31124952.

The previous prime is 49281217. The next prime is 49281241. The reversal of 49281231 is 13218294.

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

It is not a de Polignac number, because 49281231 - 2⁹ = 49280719 is a prime.

It is a super-2 number, since 2×49281231² = 4857279457750722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49281241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432235 + ... + 432348.

It is an arithmetic number, because the mean of its divisors is an integer number (8645840).

Almost surely, 2^49281231 is an apocalyptic number.

49281231 is a deficient number, since it is larger than the sum of its proper divisors (19885489).

49281231 is a wasteful number, since it uses less digits than its factorization.

49281231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864605.

The product of its digits is 3456, while the sum is 30.

The square root of 49281231 is about 7020.0591877847. The cubic root of 49281231 is about 366.6293108867.

The spelling of 49281231 in words is "forty-nine million, two hundred eighty-one thousand, two hundred thirty-one".