5205251 has 2 divisors, whose sum is σ = 5205252. Its totient is φ = 5205250.

The previous prime is 5205227. The next prime is 5205253. The reversal of 5205251 is 1525025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5205251 - 2¹⁴ = 5188867 is a prime.

It is a Sophie Germain prime.

Together with 5205253, 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 (5205253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2602625 + 2602626.

It is an arithmetic number, because the mean of its divisors is an integer number (2602626).

Almost surely, 2^5205251 is an apocalyptic number.

5205251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5205251 is an equidigital number, since it uses as much as digits as its factorization.

5205251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 5205251 is about 2281.5019175973. The cubic root of 5205251 is about 173.3061171108.

The spelling of 5205251 in words is "five million, two hundred five thousand, two hundred fifty-one".