261467 has 2 divisors, whose sum is σ = 261468. Its totient is φ = 261466.

The previous prime is 261463. The next prime is 261509. The reversal of 261467 is 764162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 261467 - 2² = 261463 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a nialpdrome in base 8.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 261467.

It is not a weakly prime, because it can be changed into another prime (261463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130733 + 130734.

It is an arithmetic number, because the mean of its divisors is an integer number (130734).

2²⁶¹⁴⁶⁷ is an apocalyptic number.

261467 is a deficient number, since it is larger than the sum of its proper divisors (1).

261467 is an equidigital number, since it uses as much as digits as its factorization.

261467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 261467 is about 511.3384397833. The cubic root of 261467 is about 63.9448581028.

The spelling of 261467 in words is "two hundred sixty-one thousand, four hundred sixty-seven".