520214641 has 2 divisors, whose sum is σ = 520214642. Its totient is φ = 520214640.

The previous prime is 520214593. The next prime is 520214677. The reversal of 520214641 is 146412025.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377913600 + 142301041 = 19440^2 + 11929^2 .

It is a cyclic number.

It is not a de Polignac number, because 520214641 - 2²¹ = 518117489 is a prime.

It is not a weakly prime, because it can be changed into another prime (520214141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260107320 + 260107321.

It is an arithmetic number, because the mean of its divisors is an integer number (260107321).

Almost surely, 2^520214641 is an apocalyptic number.

It is an amenable number.

520214641 is a deficient number, since it is larger than the sum of its proper divisors (1).

520214641 is an equidigital number, since it uses as much as digits as its factorization.

520214641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 520214641 is about 22808.2143316832. The cubic root of 520214641 is about 804.2557791386.

Adding to 520214641 its reverse (146412025), we get a palindrome (666626666).

The spelling of 520214641 in words is "five hundred twenty million, two hundred fourteen thousand, six hundred forty-one".