61497 has 6 divisors (see below), whose sum is σ = 88842. Its totient is φ = 40992.

The previous prime is 61493. The next prime is 61507. The reversal of 61497 is 79416.

61497 is nontrivially palindromic in base 8.

61497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 41616 + 19881 = 204^2 + 141^2 .

It is not a de Polignac number, because 61497 - 2² = 61493 is a prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 61497.

It is not an unprimeable number, because it can be changed into a prime (61493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3408 + ... + 3425.

It is an arithmetic number, because the mean of its divisors is an integer number (14807).

2⁶¹⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

61497 is a deficient number, since it is larger than the sum of its proper divisors (27345).

61497 is a wasteful number, since it uses less digits than its factorization.

61497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6839 (or 6836 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 61497 is about 247.9858866952. The cubic root of 61497 is about 39.4715920295.

The spelling of 61497 in words is "sixty-one thousand, four hundred ninety-seven".