523145093 has 2 divisors, whose sum is σ = 523145094. Its totient is φ = 523145092.

The previous prime is 523145081. The next prime is 523145101. The reversal of 523145093 is 390541325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392317249 + 130827844 = 19807^2 + 11438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523145093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523145003) 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, 261572546 + 261572547.

It is an arithmetic number, because the mean of its divisors is an integer number (261572547).

Almost surely, 2^523145093 is an apocalyptic number.

It is an amenable number.

523145093 is a deficient number, since it is larger than the sum of its proper divisors (1).

523145093 is an equidigital number, since it uses as much as digits as its factorization.

523145093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 523145093 is about 22872.3652690315. The cubic root of 523145093 is about 805.7631193126.

The spelling of 523145093 in words is "five hundred twenty-three million, one hundred forty-five thousand, ninety-three".