261302 has 4 divisors (see below), whose sum is σ = 391956. Its totient is φ = 130650.

The previous prime is 261301. The next prime is 261323. The reversal of 261302 is 203162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203162 = 2 ⋅101581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261301) 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, 65324 + ... + 65327.

It is an arithmetic number, because the mean of its divisors is an integer number (97989).

2²⁶¹³⁰² is an apocalyptic number.

261302 is a deficient number, since it is larger than the sum of its proper divisors (130654).

261302 is a wasteful number, since it uses less digits than its factorization.

261302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130653.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 261302 is about 511.1770730383. The cubic root of 261302 is about 63.9314043696.

Adding to 261302 its reverse (203162), we get a palindrome (464464).

The spelling of 261302 in words is "two hundred sixty-one thousand, three hundred two".