526142293 has 2 divisors, whose sum is σ = 526142294. Its totient is φ = 526142292.

The previous prime is 526142251. The next prime is 526142297. The reversal of 526142293 is 392241625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 439615089 + 86527204 = 20967^2 + 9302^2 .

It is a cyclic number.

It is not a de Polignac number, because 526142293 - 2¹³ = 526134101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526142297) 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, 263071146 + 263071147.

It is an arithmetic number, because the mean of its divisors is an integer number (263071147).

Almost surely, 2^526142293 is an apocalyptic number.

It is an amenable number.

526142293 is a deficient number, since it is larger than the sum of its proper divisors (1).

526142293 is an equidigital number, since it uses as much as digits as its factorization.

526142293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 526142293 is about 22937.7918074081. The cubic root of 526142293 is about 807.2989811683.

The spelling of 526142293 in words is "five hundred twenty-six million, one hundred forty-two thousand, two hundred ninety-three".