61334539 has 8 divisors (see below), whose sum is σ = 70562048. Its totient is φ = 52223400.

The previous prime is 61334531. The next prime is 61334549. The reversal of 61334539 is 93543316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61334539 - 2³ = 61334531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61334531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27957 + ... + 30070.

It is an arithmetic number, because the mean of its divisors is an integer number (8820256).

Almost surely, 2^61334539 is an apocalyptic number.

61334539 is a deficient number, since it is larger than the sum of its proper divisors (9227509).

61334539 is a wasteful number, since it uses less digits than its factorization.

61334539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58185.

The product of its digits is 29160, while the sum is 34.

The square root of 61334539 is about 7831.6370574740. The cubic root of 61334539 is about 394.3680307237.

The spelling of 61334539 in words is "sixty-one million, three hundred thirty-four thousand, five hundred thirty-nine".