5211257 has 2 divisors, whose sum is σ = 5211258. Its totient is φ = 5211256.

The previous prime is 5211247. The next prime is 5211259. The reversal of 5211257 is 7521125.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4923961 + 287296 = 2219^2 + 536^2 .

It is a cyclic number.

It is not a de Polignac number, because 5211257 - 2¹² = 5207161 is a prime.

Together with 5211259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5211259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605628 + 2605629.

It is an arithmetic number, because the mean of its divisors is an integer number (2605629).

Almost surely, 2^5211257 is an apocalyptic number.

It is an amenable number.

5211257 is a deficient number, since it is larger than the sum of its proper divisors (1).

5211257 is an equidigital number, since it uses as much as digits as its factorization.

5211257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 700, while the sum is 23.

The square root of 5211257 is about 2282.8177763457. The cubic root of 5211257 is about 173.3727470365.

Multiplying 5211257 by its sum of digits (23), we get a palindrome (119858911).

The spelling of 5211257 in words is "five million, two hundred eleven thousand, two hundred fifty-seven".