522366641 has 2 divisors, whose sum is σ = 522366642. Its totient is φ = 522366640.

The previous prime is 522366613. The next prime is 522366643. The reversal of 522366641 is 146663225.

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., 495285025 + 27081616 = 22255^2 + 5204^2 .

It is a cyclic number.

It is not a de Polignac number, because 522366641 - 2²² = 518172337 is a prime.

Together with 522366643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (522366643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261183320 + 261183321.

It is an arithmetic number, because the mean of its divisors is an integer number (261183321).

Almost surely, 2^522366641 is an apocalyptic number.

It is an amenable number.

522366641 is a deficient number, since it is larger than the sum of its proper divisors (1).

522366641 is an equidigital number, since it uses as much as digits as its factorization.

522366641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 522366641 is about 22855.3416294747. The cubic root of 522366641 is about 805.3632561916.

The spelling of 522366641 in words is "five hundred twenty-two million, three hundred sixty-six thousand, six hundred forty-one".