260651 has 2 divisors, whose sum is σ = 260652. Its totient is φ = 260650.

The previous prime is 260647. The next prime is 260671. The reversal of 260651 is 156062.

It is an a-pointer prime, because the next prime (260671) can be obtained adding 260651 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260651 - 2² = 260647 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130325 + 130326.

It is an arithmetic number, because the mean of its divisors is an integer number (130326).

2²⁶⁰⁶⁵¹ is an apocalyptic number.

260651 is a deficient number, since it is larger than the sum of its proper divisors (1).

260651 is an equidigital number, since it uses as much as digits as its factorization.

260651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 260651 is about 510.5399102911. The cubic root of 260651 is about 63.8782679537.

The spelling of 260651 in words is "two hundred sixty thousand, six hundred fifty-one".