523032493 has 2 divisors, whose sum is σ = 523032494. Its totient is φ = 523032492.

The previous prime is 523032491. The next prime is 523032511. The reversal of 523032493 is 394230325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338670409 + 184362084 = 18403^2 + 13578^2 .

It is a cyclic number.

It is not a de Polignac number, because 523032493 - 2¹ = 523032491 is a prime.

Together with 523032491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523032491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261516246 + 261516247.

It is an arithmetic number, because the mean of its divisors is an integer number (261516247).

Almost surely, 2^523032493 is an apocalyptic number.

It is an amenable number.

523032493 is a deficient number, since it is larger than the sum of its proper divisors (1).

523032493 is an equidigital number, since it uses as much as digits as its factorization.

523032493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 523032493 is about 22869.9036508683. The cubic root of 523032493 is about 805.7053052450.

The spelling of 523032493 in words is "five hundred twenty-three million, thirty-two thousand, four hundred ninety-three".