512022131 has 2 divisors, whose sum is σ = 512022132. Its totient is φ = 512022130.

The previous prime is 512022101. The next prime is 512022139. The reversal of 512022131 is 131220215.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512022131 is a prime.

It is a super-2 number, since 2×512022131² = 524333325267562322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (512022139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256011065 + 256011066.

It is an arithmetic number, because the mean of its divisors is an integer number (256011066).

Almost surely, 2^512022131 is an apocalyptic number.

512022131 is a deficient number, since it is larger than the sum of its proper divisors (1).

512022131 is an equidigital number, since it uses as much as digits as its factorization.

512022131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 512022131 is about 22627.9060233155. The cubic root of 512022131 is about 800.0115263964.

Adding to 512022131 its reverse (131220215), we get a palindrome (643242346).

The spelling of 512022131 in words is "five hundred twelve million, twenty-two thousand, one hundred thirty-one".