88261 has 2 divisors, whose sum is σ = 88262. Its totient is φ = 88260.

The previous prime is 88259. The next prime is 88289. The reversal of 88261 is 16288.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50625 + 37636 = 225^2 + 194^2 .

It is a cyclic number.

It is not a de Polignac number, because 88261 - 2¹ = 88259 is a prime.

Together with 88259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44130 + 44131.

It is an arithmetic number, because the mean of its divisors is an integer number (44131).

2⁸⁸²⁶¹ is an apocalyptic number.

It is an amenable number.

88261 is a deficient number, since it is larger than the sum of its proper divisors (1).

88261 is an equidigital number, since it uses as much as digits as its factorization.

88261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 25.

The square root of 88261 is about 297.0875291896. The cubic root of 88261 is about 44.5235325602.

The spelling of 88261 in words is "eighty-eight thousand, two hundred sixty-one".