61337 has 4 divisors (see below), whose sum is σ = 62160. Its totient is φ = 60516.

The previous prime is 61333. The next prime is 61339. The reversal of 61337 is 73316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61337 - 2² = 61333 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287 + ... + 452.

It is an arithmetic number, because the mean of its divisors is an integer number (15540).

2⁶¹³³⁷ is an apocalyptic number.

It is an amenable number.

61337 is a deficient number, since it is larger than the sum of its proper divisors (823).

61337 is an equidigital number, since it uses as much as digits as its factorization.

61337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822.

The product of its digits is 378, while the sum is 20.

The square root of 61337 is about 247.6630775873. The cubic root of 61337 is about 39.4373305222.

The spelling of 61337 in words is "sixty-one thousand, three hundred thirty-seven".