61330 has 8 divisors (see below), whose sum is σ = 110412. Its totient is φ = 24528.

The previous prime is 61297. The next prime is 61331. The reversal of 61330 is 3316.

It can be written as a sum of positive squares in 2 ways, for example, as 58081 + 3249 = 241^2 + 57^2 .

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

It is a super-2 number, since 2×61330² = 7522737800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61330.

It is not an unprimeable number, because it can be changed into a prime (61331) 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, 3057 + ... + 3076.

2⁶¹³³⁰ is an apocalyptic number.

61330 is a deficient number, since it is larger than the sum of its proper divisors (49082).

61330 is a wasteful number, since it uses less digits than its factorization.

61330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6140.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 61330 is about 247.6489450815. The cubic root of 61330 is about 39.4358302216.

Adding to 61330 its reverse (3316), we get a palindrome (64646).

The spelling of 61330 in words is "sixty-one thousand, three hundred thirty".