261050 has 24 divisors (see below), whose sum is σ = 508896. Its totient is φ = 99440.

The previous prime is 261043. The next prime is 261059. The reversal of 261050 is 50162.

It is not an unprimeable number, because it can be changed into a prime (261059) by changing a digit.

261050 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1037 + ... + 1263.

It is an arithmetic number, because the mean of its divisors is an integer number (21204).

2²⁶¹⁰⁵⁰ is an apocalyptic number.

261050 is a deficient number, since it is larger than the sum of its proper divisors (247846).

261050 is a wasteful number, since it uses less digits than its factorization.

261050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 261050 is about 510.9305236527. The cubic root of 261050 is about 63.9108459152.

The spelling of 261050 in words is "two hundred sixty-one thousand, fifty".