61546 has 4 divisors (see below), whose sum is σ = 92322. Its totient is φ = 30772.

The previous prime is 61543. The next prime is 61547. The reversal of 61546 is 64516.

61546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 60025 + 1521 = 245^2 + 39^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (61543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15385 + ... + 15388.

2⁶¹⁵⁴⁶ is an apocalyptic number.

61546 is a deficient number, since it is larger than the sum of its proper divisors (30776).

61546 is a wasteful number, since it uses less digits than its factorization.

61546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30775.

The product of its digits is 720, while the sum is 22.

The square root of 61546 is about 248.0846629681. The cubic root of 61546 is about 39.4820727280.

The spelling of 61546 in words is "sixty-one thousand, five hundred forty-six".