5287819 has 2 divisors, whose sum is σ = 5287820. Its totient is φ = 5287818.

The previous prime is 5287813. The next prime is 5287823. The reversal of 5287819 is 9187825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5287819 - 2⁵ = 5287787 is a prime.

It is a super-2 number, since 2×5287819² = 55922059553522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5287813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643909 + 2643910.

It is an arithmetic number, because the mean of its divisors is an integer number (2643910).

Almost surely, 2^5287819 is an apocalyptic number.

5287819 is a deficient number, since it is larger than the sum of its proper divisors (1).

5287819 is an equidigital number, since it uses as much as digits as its factorization.

5287819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 40.

The square root of 5287819 is about 2299.5258206856. The cubic root of 5287819 is about 174.2176669958.

The spelling of 5287819 in words is "five million, two hundred eighty-seven thousand, eight hundred nineteen".