523141961 has 2 divisors, whose sum is σ = 523141962. Its totient is φ = 523141960.

The previous prime is 523141943. The next prime is 523142051. The reversal of 523141961 is 169141325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 491287225 + 31854736 = 22165^2 + 5644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523141961 is a prime.

It is a super-2 number, since 2×523141961² = 547355022717851042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (523141921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261570980 + 261570981.

It is an arithmetic number, because the mean of its divisors is an integer number (261570981).

Almost surely, 2^523141961 is an apocalyptic number.

It is an amenable number.

523141961 is a deficient number, since it is larger than the sum of its proper divisors (1).

523141961 is an equidigital number, since it uses as much as digits as its factorization.

523141961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The square root of 523141961 is about 22872.2968020267. The cubic root of 523141961 is about 805.7615113106.

The spelling of 523141961 in words is "five hundred twenty-three million, one hundred forty-one thousand, nine hundred sixty-one".