261062 has 4 divisors (see below), whose sum is σ = 391596. Its totient is φ = 130530.

The previous prime is 261061. The next prime is 261071. The reversal of 261062 is 260162.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 261062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65264 + ... + 65267.

It is an arithmetic number, because the mean of its divisors is an integer number (97899).

2²⁶¹⁰⁶² is an apocalyptic number.

261062 is a deficient number, since it is larger than the sum of its proper divisors (130534).

261062 is a wasteful number, since it uses less digits than its factorization.

261062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130533.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 261062 is about 510.9422667973. The cubic root of 261062 is about 63.9118251892.

Subtracting from 261062 its reverse (260162), we obtain a square (900 = 30²).

The spelling of 261062 in words is "two hundred sixty-one thousand, sixty-two".