61288 has 16 divisors (see below), whose sum is σ = 118080. Its totient is φ = 29808.

The previous prime is 61283. The next prime is 61291. The reversal of 61288 is 88216.

It is not an unprimeable number, because it can be changed into a prime (61283) by changing a digit.

61288 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295 + ... + 457.

It is an arithmetic number, because the mean of its divisors is an integer number (7380).

2⁶¹²⁸⁸ is an apocalyptic number.

It is an amenable number.

61288 is a deficient number, since it is larger than the sum of its proper divisors (56792).

61288 is a wasteful number, since it uses less digits than its factorization.

61288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 212 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 61288 is about 247.5641331049. The cubic root of 61288 is about 39.4268260197.

The spelling of 61288 in words is "sixty-one thousand, two hundred eighty-eight".