523361413 has 2 divisors, whose sum is σ = 523361414. Its totient is φ = 523361412.

The previous prime is 523361407. The next prime is 523361417. The reversal of 523361413 is 314163325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518837284 + 4524129 = 22778^2 + 2127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523361413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523361417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261680706 + 261680707.

It is an arithmetic number, because the mean of its divisors is an integer number (261680707).

Almost surely, 2^523361413 is an apocalyptic number.

It is an amenable number.

523361413 is a deficient number, since it is larger than the sum of its proper divisors (1).

523361413 is an equidigital number, since it uses as much as digits as its factorization.

523361413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 523361413 is about 22877.0936309663. The cubic root of 523361413 is about 805.8741647703.

The spelling of 523361413 in words is "five hundred twenty-three million, three hundred sixty-one thousand, four hundred thirteen".