262525643 has 2 divisors, whose sum is σ = 262525644. Its totient is φ = 262525642.

The previous prime is 262525609. The next prime is 262525651. The reversal of 262525643 is 346525262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 262525643 - 2⁸ = 262525387 is a prime.

It is not a weakly prime, because it can be changed into another prime (262525663) 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, 131262821 + 131262822.

It is an arithmetic number, because the mean of its divisors is an integer number (131262822).

Almost surely, 2^262525643 is an apocalyptic number.

262525643 is a deficient number, since it is larger than the sum of its proper divisors (1).

262525643 is an equidigital number, since it uses as much as digits as its factorization.

262525643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 35.

The square root of 262525643 is about 16202.6430868547. The cubic root of 262525643 is about 640.3104312698.

The spelling of 262525643 in words is "two hundred sixty-two million, five hundred twenty-five thousand, six hundred forty-three".