520164049 has 2 divisors, whose sum is σ = 520164050. Its totient is φ = 520164048.

The previous prime is 520164041. The next prime is 520164053. The reversal of 520164049 is 940461025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518381824 + 1782225 = 22768^2 + 1335^2 .

It is a cyclic number.

It is not a de Polignac number, because 520164049 - 2³ = 520164041 is a prime.

It is equal to p_27360823 and since 520164049 and 27360823 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520164049.

It is not a weakly prime, because it can be changed into another prime (520164041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260082024 + 260082025.

It is an arithmetic number, because the mean of its divisors is an integer number (260082025).

Almost surely, 2^520164049 is an apocalyptic number.

It is an amenable number.

520164049 is a deficient number, since it is larger than the sum of its proper divisors (1).

520164049 is an equidigital number, since it uses as much as digits as its factorization.

520164049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 520164049 is about 22807.1052306074. The cubic root of 520164049 is about 804.2297064216.

It can be divided in two parts, 52016 and 4049, that added together give a palindrome (56065).

The spelling of 520164049 in words is "five hundred twenty million, one hundred sixty-four thousand, forty-nine".