61219 has 4 divisors (see below), whose sum is σ = 63360. Its totient is φ = 59080.

The previous prime is 61211. The next prime is 61223. The reversal of 61219 is 91216.

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 61219 - 2³ = 61211 is a prime.

It is a super-2 number, since 2×61219² = 7495531922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61196 and 61205.

It is not an unprimeable number, because it can be changed into a prime (61211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027 + ... + 1084.

It is an arithmetic number, because the mean of its divisors is an integer number (15840).

2⁶¹²¹⁹ is an apocalyptic number.

61219 is a deficient number, since it is larger than the sum of its proper divisors (2141).

61219 is a wasteful number, since it uses less digits than its factorization.

61219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140.

The product of its digits is 108, while the sum is 19.

The square root of 61219 is about 247.4247360310. The cubic root of 61219 is about 39.4120244677.

It can be divided in two parts, 612 and 19, that multiplied together give a triangular number (11628 = T₁₅₂).

The spelling of 61219 in words is "sixty-one thousand, two hundred nineteen".