262961 has 4 divisors (see below), whose sum is σ = 264000. Its totient is φ = 261924.

The previous prime is 262957. The next prime is 262981. The reversal of 262961 is 169262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 169262 = 2 ⋅84631.

It is a cyclic number.

It is not a de Polignac number, because 262961 - 2² = 262957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 262961.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 262961.

It is not an unprimeable number, because it can be changed into a prime (262901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140 + ... + 738.

It is an arithmetic number, because the mean of its divisors is an integer number (66000).

2²⁶²⁹⁶¹ is an apocalyptic number.

It is an amenable number.

262961 is a deficient number, since it is larger than the sum of its proper divisors (1039).

262961 is an equidigital number, since it uses as much as digits as its factorization.

262961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038.

The product of its digits is 1296, while the sum is 26.

The square root of 262961 is about 512.7972308818. The cubic root of 262961 is about 64.0664186776.

The spelling of 262961 in words is "two hundred sixty-two thousand, nine hundred sixty-one".