523631029 has 2 divisors, whose sum is σ = 523631030. Its totient is φ = 523631028.

The previous prime is 523631023. The next prime is 523631107. The reversal of 523631029 is 920136325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 510850404 + 12780625 = 22602^2 + 3575^2 .

It is a cyclic number.

It is not a de Polignac number, because 523631029 - 2³ = 523631021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523631021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261815514 + 261815515.

It is an arithmetic number, because the mean of its divisors is an integer number (261815515).

Almost surely, 2^523631029 is an apocalyptic number.

It is an amenable number.

523631029 is a deficient number, since it is larger than the sum of its proper divisors (1).

523631029 is an equidigital number, since it uses as much as digits as its factorization.

523631029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 523631029 is about 22882.9855788094. The cubic root of 523631029 is about 806.0125263073.

The spelling of 523631029 in words is "five hundred twenty-three million, six hundred thirty-one thousand, twenty-nine".