60997 has 4 divisors (see below), whose sum is σ = 61516. Its totient is φ = 60480.

The previous prime is 60961. The next prime is 61001. The reversal of 60997 is 79906.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79906 = 2 ⋅39953.

It can be written as a sum of positive squares in 2 ways, for example, as 6241 + 54756 = 79^2 + 234^2 .

It is a cyclic number.

It is not a de Polignac number, because 60997 - 2⁷ = 60869 is a prime.

It is a Duffinian number.

60997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60917) 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, 13 + ... + 349.

It is an arithmetic number, because the mean of its divisors is an integer number (15379).

2⁶⁰⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

60997 is a deficient number, since it is larger than the sum of its proper divisors (519).

60997 is a wasteful number, since it uses less digits than its factorization.

60997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 60997 is about 246.9757073074. The cubic root of 60997 is about 39.3643264930.

The spelling of 60997 in words is "sixty thousand, nine hundred ninety-seven".