5011281 has 32 divisors (see below), whose sum is σ = 8294400. Its totient is φ = 2964240.

The previous prime is 5011273. The next prime is 5011301. The reversal of 5011281 is 1821105.

It is not a de Polignac number, because 5011281 - 2³ = 5011273 is a prime.

It is a super-2 number, since 2×5011281² = 50225874521922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5011261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13780 + ... + 14138.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

Almost surely, 2^5011281 is an apocalyptic number.

It is an amenable number.

5011281 is a deficient number, since it is larger than the sum of its proper divisors (3283119).

5011281 is a wasteful number, since it uses less digits than its factorization.

5011281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 5011281 is about 2238.5890645672. The cubic root of 5011281 is about 171.1260996628.

Adding to 5011281 its reverse (1821105), we get a palindrome (6832386).

The spelling of 5011281 in words is "five million, eleven thousand, two hundred eighty-one".