61532 has 6 divisors (see below), whose sum is σ = 107688. Its totient is φ = 30764.

The previous prime is 61519. The next prime is 61543. The reversal of 61532 is 23516.

61532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61532.

It is a congruent number.

It is an unprimeable number.

61532 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 as a sum of consecutive naturals, namely, 7688 + ... + 7695.

It is an arithmetic number, because the mean of its divisors is an integer number (17948).

2⁶¹⁵³² is an apocalyptic number.

It is an amenable number.

61532 is a deficient number, since it is larger than the sum of its proper divisors (46156).

61532 is a wasteful number, since it uses less digits than its factorization.

61532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15387 (or 15385 counting only the distinct ones).

The product of its digits is 180, while the sum is 17.

The square root of 61532 is about 248.0564451894. The cubic root of 61532 is about 39.4790788105.

The spelling of 61532 in words is "sixty-one thousand, five hundred thirty-two".