520406141 has 2 divisors, whose sum is σ = 520406142. Its totient is φ = 520406140.

The previous prime is 520406129. The next prime is 520406177. The reversal of 520406141 is 141604025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 509450041 + 10956100 = 22571^2 + 3310^2 .

It is a cyclic number.

It is not a de Polignac number, because 520406141 - 2⁶ = 520406077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520406741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260203070 + 260203071.

It is an arithmetic number, because the mean of its divisors is an integer number (260203071).

Almost surely, 2^520406141 is an apocalyptic number.

It is an amenable number.

520406141 is a deficient number, since it is larger than the sum of its proper divisors (1).

520406141 is an equidigital number, since it uses as much as digits as its factorization.

520406141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 520406141 is about 22812.4119943508. The cubic root of 520406141 is about 804.3544538490.

The spelling of 520406141 in words is "five hundred twenty million, four hundred six thousand, one hundred forty-one".