61259 has 4 divisors (see below), whose sum is σ = 66840. Its totient is φ = 55680.

The previous prime is 61253. The next prime is 61261. The reversal of 61259 is 95216.

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

It is a cyclic number.

It is not a de Polignac number, because 61259 - 2¹² = 57163 is a prime.

It is a d-powerful number, because it can be written as 6² + 1 + 2¹¹ + 5³ + 9⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2774 + ... + 2795.

It is an arithmetic number, because the mean of its divisors is an integer number (16710).

2⁶¹²⁵⁹ is an apocalyptic number.

61259 is a deficient number, since it is larger than the sum of its proper divisors (5581).

61259 is a wasteful number, since it uses less digits than its factorization.

61259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580.

The product of its digits is 540, while the sum is 23.

The square root of 61259 is about 247.5055554932. The cubic root of 61259 is about 39.4206064316.

The spelling of 61259 in words is "sixty-one thousand, two hundred fifty-nine".