520100461 has 2 divisors, whose sum is σ = 520100462. Its totient is φ = 520100460.

The previous prime is 520100459. The next prime is 520100479. The reversal of 520100461 is 164001025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447322500 + 72777961 = 21150^2 + 8531^2 .

It is a cyclic number.

It is not a de Polignac number, because 520100461 - 2¹ = 520100459 is a prime.

Together with 520100459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520100561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260050230 + 260050231.

It is an arithmetic number, because the mean of its divisors is an integer number (260050231).

Almost surely, 2^520100461 is an apocalyptic number.

It is an amenable number.

520100461 is a deficient number, since it is larger than the sum of its proper divisors (1).

520100461 is an equidigital number, since it uses as much as digits as its factorization.

520100461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 520100461 is about 22805.7111487452. The cubic root of 520100461 is about 804.1969337846.

Adding to 520100461 its reverse (164001025), we get a palindrome (684101486).

The spelling of 520100461 in words is "five hundred twenty million, one hundred thousand, four hundred sixty-one".