523376629 has 2 divisors, whose sum is σ = 523376630. Its totient is φ = 523376628.

The previous prime is 523376617. The next prime is 523376653. The reversal of 523376629 is 926673325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523174129 + 202500 = 22873^2 + 450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523376629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523376699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261688314 + 261688315.

It is an arithmetic number, because the mean of its divisors is an integer number (261688315).

Almost surely, 2^523376629 is an apocalyptic number.

It is an amenable number.

523376629 is a deficient number, since it is larger than the sum of its proper divisors (1).

523376629 is an equidigital number, since it uses as much as digits as its factorization.

523376629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 43.

The square root of 523376629 is about 22877.4261882756. The cubic root of 523376629 is about 805.8819745821.

The spelling of 523376629 in words is "five hundred twenty-three million, three hundred seventy-six thousand, six hundred twenty-nine".