262288231 has 2 divisors, whose sum is σ = 262288232. Its totient is φ = 262288230.

The previous prime is 262288219. The next prime is 262288237. The reversal of 262288231 is 132882262.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 262288231 - 2¹⁵ = 262255463 is a prime.

It is a super-2 number, since 2×262288231² = 137590232242218722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (262288237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131144115 + 131144116.

It is an arithmetic number, because the mean of its divisors is an integer number (131144116).

Almost surely, 2^262288231 is an apocalyptic number.

262288231 is a deficient number, since it is larger than the sum of its proper divisors (1).

262288231 is an equidigital number, since it uses as much as digits as its factorization.

262288231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 34.

The square root of 262288231 is about 16195.3150941870. The cubic root of 262288231 is about 640.1173539683.

The spelling of 262288231 in words is "two hundred sixty-two million, two hundred eighty-eight thousand, two hundred thirty-one".