523145041 has 2 divisors, whose sum is σ = 523145042. Its totient is φ = 523145040.

The previous prime is 523145023. The next prime is 523145047. The reversal of 523145041 is 140541325.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348905041 + 174240000 = 18679^2 + 13200^2 .

It is a cyclic number.

It is not a de Polignac number, because 523145041 - 2⁹ = 523144529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 523144997 and 523145015.

It is not a weakly prime, because it can be changed into another prime (523145047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261572520 + 261572521.

It is an arithmetic number, because the mean of its divisors is an integer number (261572521).

Almost surely, 2^523145041 is an apocalyptic number.

It is an amenable number.

523145041 is a deficient number, since it is larger than the sum of its proper divisors (1).

523145041 is an equidigital number, since it uses as much as digits as its factorization.

523145041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 523145041 is about 22872.3641322886. The cubic root of 523145041 is about 805.7630926153.

Adding to 523145041 its reverse (140541325), we get a palindrome (663686366).

The spelling of 523145041 in words is "five hundred twenty-three million, one hundred forty-five thousand, forty-one".