262651 has 2 divisors, whose sum is σ = 262652. Its totient is φ = 262650.

The previous prime is 262649. The next prime is 262657. The reversal of 262651 is 156262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 262651 - 2¹ = 262649 is a prime.

Together with 262649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (262657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131325 + 131326.

It is an arithmetic number, because the mean of its divisors is an integer number (131326).

2²⁶²⁶⁵¹ is an apocalyptic number.

262651 is a deficient number, since it is larger than the sum of its proper divisors (1).

262651 is an equidigital number, since it uses as much as digits as its factorization.

262651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 262651 is about 512.4948780232. The cubic root of 262651 is about 64.0412331947.

The spelling of 262651 in words is "two hundred sixty-two thousand, six hundred fifty-one".