523330961 has 2 divisors, whose sum is σ = 523330962. Its totient is φ = 523330960.

The previous prime is 523330939. The next prime is 523330963. The reversal of 523330961 is 169033325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487570561 + 35760400 = 22081^2 + 5980^2 .

It is a cyclic number.

It is not a de Polignac number, because 523330961 - 2¹⁴ = 523314577 is a prime.

Together with 523330963, 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 (523330963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261665480 + 261665481.

It is an arithmetic number, because the mean of its divisors is an integer number (261665481).

Almost surely, 2^523330961 is an apocalyptic number.

It is an amenable number.

523330961 is a deficient number, since it is larger than the sum of its proper divisors (1).

523330961 is an equidigital number, since it uses as much as digits as its factorization.

523330961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 523330961 is about 22876.4280647132. The cubic root of 523330961 is about 805.8585344268.

The spelling of 523330961 in words is "five hundred twenty-three million, three hundred thirty thousand, nine hundred sixty-one".