61269 has 8 divisors (see below), whose sum is σ = 88032. Its totient is φ = 37680.

The previous prime is 61261. The next prime is 61283. The reversal of 61269 is 96216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61269 - 2³ = 61261 is a prime.

It is a super-2 number, since 2×61269² = 7507780722, which contains 22 as substring.

61269 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61261) 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 7 ways as a sum of consecutive naturals, for example, 747 + ... + 824.

It is an arithmetic number, because the mean of its divisors is an integer number (11004).

2⁶¹²⁶⁹ is an apocalyptic number.

It is an amenable number.

61269 is a deficient number, since it is larger than the sum of its proper divisors (26763).

61269 is a wasteful number, since it uses less digits than its factorization.

61269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587.

The product of its digits is 648, while the sum is 24.

The square root of 61269 is about 247.5257562356. The cubic root of 61269 is about 39.4227513389.

It can be divided in two parts, 6 and 1269, that added together give a triangular number (1275 = T₅₀).

The spelling of 61269 in words is "sixty-one thousand, two hundred sixty-nine".