5212281 has 4 divisors (see below), whose sum is σ = 6949712. Its totient is φ = 3474852.

The previous prime is 5212241. The next prime is 5212303. The reversal of 5212281 is 1822125.

It is a happy number.

5212281 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5212281 - 2¹⁰ = 5211257 is a prime.

It is a super-2 number, since 2×5212281² = 54335746445922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5212201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868711 + ... + 868716.

It is an arithmetic number, because the mean of its divisors is an integer number (1737428).

Almost surely, 2^5212281 is an apocalyptic number.

It is an amenable number.

5212281 is a deficient number, since it is larger than the sum of its proper divisors (1737431).

5212281 is a wasteful number, since it uses less digits than its factorization.

5212281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737430.

The product of its digits is 320, while the sum is 21.

The square root of 5212281 is about 2283.0420495471. The cubic root of 5212281 is about 173.3841020746.

The spelling of 5212281 in words is "five million, two hundred twelve thousand, two hundred eighty-one".