523031479 has 2 divisors, whose sum is σ = 523031480. Its totient is φ = 523031478.

The previous prime is 523031471. The next prime is 523031491. The reversal of 523031479 is 974130325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523031479 - 2³ = 523031471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523031471) 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, 261515739 + 261515740.

It is an arithmetic number, because the mean of its divisors is an integer number (261515740).

Almost surely, 2^523031479 is an apocalyptic number.

523031479 is a deficient number, since it is larger than the sum of its proper divisors (1).

523031479 is an equidigital number, since it uses as much as digits as its factorization.

523031479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 523031479 is about 22869.8814819841. The cubic root of 523031479 is about 805.7047845726.

The spelling of 523031479 in words is "five hundred twenty-three million, thirty-one thousand, four hundred seventy-nine".