5211251 has 4 divisors (see below), whose sum is σ = 5282712. Its totient is φ = 5139792.

The previous prime is 5211247. The next prime is 5211257. The reversal of 5211251 is 1521125.

5211251 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 5211251 - 2² = 5211247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5211257) 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, 35621 + ... + 35766.

It is an arithmetic number, because the mean of its divisors is an integer number (1320678).

Almost surely, 2^5211251 is an apocalyptic number.

5211251 is a deficient number, since it is larger than the sum of its proper divisors (71461).

5211251 is an equidigital number, since it uses as much as digits as its factorization.

5211251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71460.

The product of its digits is 100, while the sum is 17.

The square root of 5211251 is about 2282.8164621800. The cubic root of 5211251 is about 173.3726804987.

Adding to 5211251 its reverse (1521125), we get a palindrome (6732376).

The spelling of 5211251 in words is "five million, two hundred eleven thousand, two hundred fifty-one".