520026863 has 2 divisors, whose sum is σ = 520026864. Its totient is φ = 520026862.

The previous prime is 520026841. The next prime is 520026877. The reversal of 520026863 is 368620025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520026863 - 2¹⁴ = 520010479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520026263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260013431 + 260013432.

It is an arithmetic number, because the mean of its divisors is an integer number (260013432).

Almost surely, 2^520026863 is an apocalyptic number.

520026863 is a deficient number, since it is larger than the sum of its proper divisors (1).

520026863 is an equidigital number, since it uses as much as digits as its factorization.

520026863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 520026863 is about 22804.0975046153. The cubic root of 520026863 is about 804.1589987558.

Adding to 520026863 its reverse (368620025), we get a palindrome (888646888).

The spelling of 520026863 in words is "five hundred twenty million, twenty-six thousand, eight hundred sixty-three".