261058 has 16 divisors (see below), whose sum is σ = 463680. Its totient is φ = 107856.

The previous prime is 261043. The next prime is 261059. The reversal of 261058 is 850162.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (261059) 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, 85 + ... + 727.

It is an arithmetic number, because the mean of its divisors is an integer number (28980).

2²⁶¹⁰⁵⁸ is an apocalyptic number.

261058 is a deficient number, since it is larger than the sum of its proper divisors (202622).

261058 is a wasteful number, since it uses less digits than its factorization.

261058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 261058 is about 510.9383524458. The cubic root of 261058 is about 63.9114987678.

The spelling of 261058 in words is "two hundred sixty-one thousand, fifty-eight".