262563967 has 2 divisors, whose sum is σ = 262563968. Its totient is φ = 262563966.

The previous prime is 262563937. The next prime is 262563971. The reversal of 262563967 is 769365262.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 262563967 - 2¹¹ = 262561919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (262563937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131281983 + 131281984.

It is an arithmetic number, because the mean of its divisors is an integer number (131281984).

Almost surely, 2^262563967 is an apocalyptic number.

262563967 is a deficient number, since it is larger than the sum of its proper divisors (1).

262563967 is an equidigital number, since it uses as much as digits as its factorization.

262563967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 46.

The square root of 262563967 is about 16203.8256902498. The cubic root of 262563967 is about 640.3415876713.

The spelling of 262563967 in words is "two hundred sixty-two million, five hundred sixty-three thousand, nine hundred sixty-seven".