261483 has 8 divisors (see below), whose sum is σ = 356928. Its totient is φ = 170184.

The previous prime is 261467. The next prime is 261509. The reversal of 261483 is 384162.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 261483 - 2⁴ = 261467 is a prime.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (261433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885 + ... + 1142.

It is an arithmetic number, because the mean of its divisors is an integer number (44616).

2²⁶¹⁴⁸³ is an apocalyptic number.

261483 is a deficient number, since it is larger than the sum of its proper divisors (95445).

261483 is a wasteful number, since it uses less digits than its factorization.

261483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073.

The product of its digits is 1152, while the sum is 24.

The square root of 261483 is about 511.3540847593. The cubic root of 261483 is about 63.9461624061.

The spelling of 261483 in words is "two hundred sixty-one thousand, four hundred eighty-three".