522142001 has 2 divisors, whose sum is σ = 522142002. Its totient is φ = 522142000.

The previous prime is 522141989. The next prime is 522142003. The reversal of 522142001 is 100241225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398042401 + 124099600 = 19951^2 + 11140^2 .

It is a cyclic number.

It is not a de Polignac number, because 522142001 - 2²² = 517947697 is a prime.

Together with 522142003, 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 (522142003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261071000 + 261071001.

It is an arithmetic number, because the mean of its divisors is an integer number (261071001).

Almost surely, 2^522142001 is an apocalyptic number.

It is an amenable number.

522142001 is a deficient number, since it is larger than the sum of its proper divisors (1).

522142001 is an equidigital number, since it uses as much as digits as its factorization.

522142001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 522142001 is about 22850.4267137399. The cubic root of 522142001 is about 805.2477927553.

Adding to 522142001 its reverse (100241225), we get a palindrome (622383226).

The spelling of 522142001 in words is "five hundred twenty-two million, one hundred forty-two thousand, one".