5211249 has 8 divisors (see below), whose sum is σ = 6998880. Its totient is φ = 3448896.

The previous prime is 5211247. The next prime is 5211257. The reversal of 5211249 is 9421125.

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

It is not a de Polignac number, because 5211249 - 2¹ = 5211247 is a prime.

It is a super-2 number, since 2×5211249² = 54314232280002, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

5211249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5211247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5832 + ... + 6665.

It is an arithmetic number, because the mean of its divisors is an integer number (874860).

Almost surely, 2^5211249 is an apocalyptic number.

It is an amenable number.

5211249 is a deficient number, since it is larger than the sum of its proper divisors (1787631).

5211249 is a wasteful number, since it uses less digits than its factorization.

5211249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12639.

The product of its digits is 720, while the sum is 24.

The square root of 5211249 is about 2282.8160241246. The cubic root of 5211249 is about 173.3726583194.

It can be divided in two parts, 5211 and 249, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 5211249 in words is "five million, two hundred eleven thousand, two hundred forty-nine".