5309851 has 2 divisors, whose sum is σ = 5309852. Its totient is φ = 5309850.

The previous prime is 5309839. The next prime is 5309861. The reversal of 5309851 is 1589035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5309851 - 2⁵ = 5309819 is a prime.

It is not a weakly prime, because it can be changed into another prime (5309861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2654925 + 2654926.

It is an arithmetic number, because the mean of its divisors is an integer number (2654926).

Almost surely, 2^5309851 is an apocalyptic number.

5309851 is a deficient number, since it is larger than the sum of its proper divisors (1).

5309851 is an equidigital number, since it uses as much as digits as its factorization.

5309851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 5309851 is about 2304.3113938876. The cubic root of 5309851 is about 174.4592943425.

The spelling of 5309851 in words is "five million, three hundred nine thousand, eight hundred fifty-one".