61332659 has 4 divisors (see below), whose sum is σ = 62021880. Its totient is φ = 60643440.

The previous prime is 61332631. The next prime is 61332701. The reversal of 61332659 is 95623316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61332659 - 2¹² = 61328563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61332259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344477 + ... + 344654.

It is an arithmetic number, because the mean of its divisors is an integer number (15505470).

Almost surely, 2^61332659 is an apocalyptic number.

61332659 is a deficient number, since it is larger than the sum of its proper divisors (689221).

61332659 is an equidigital number, since it uses as much as digits as its factorization.

61332659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689220.

The product of its digits is 29160, while the sum is 35.

The square root of 61332659 is about 7831.5170305631. The cubic root of 61332659 is about 394.3640013492.

The spelling of 61332659 in words is "sixty-one million, three hundred thirty-two thousand, six hundred fifty-nine".