521346227 has 2 divisors, whose sum is σ = 521346228. Its totient is φ = 521346226.

The previous prime is 521346193. The next prime is 521346257. The reversal of 521346227 is 722643125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 521346227 - 2¹² = 521342131 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 521346193 and 521346202.

It is not a weakly prime, because it can be changed into another prime (521346257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260673113 + 260673114.

It is an arithmetic number, because the mean of its divisors is an integer number (260673114).

Almost surely, 2^521346227 is an apocalyptic number.

521346227 is a deficient number, since it is larger than the sum of its proper divisors (1).

521346227 is an equidigital number, since it uses as much as digits as its factorization.

521346227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 521346227 is about 22833.0074015667. The cubic root of 521346227 is about 804.8385036680.

The spelling of 521346227 in words is "five hundred twenty-one million, three hundred forty-six thousand, two hundred twenty-seven".