60961539 has 8 divisors (see below), whose sum is σ = 81318160. Its totient is φ = 40622976.

The previous prime is 60961499. The next prime is 60961543. The reversal of 60961539 is 93516906.

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

It is a de Polignac number, because none of the positive numbers 2^k-60961539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60961497 and 60961506.

It is not an unprimeable number, because it can be changed into a prime (60961039) 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 7 ways as a sum of consecutive naturals, for example, 10527 + ... + 15255.

It is an arithmetic number, because the mean of its divisors is an integer number (10164770).

Almost surely, 2^60961539 is an apocalyptic number.

60961539 is a deficient number, since it is larger than the sum of its proper divisors (20356621).

60961539 is a wasteful number, since it uses less digits than its factorization.

60961539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9029.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 60961539 is about 7807.7870744533. The cubic root of 60961539 is about 393.5669677915.

The spelling of 60961539 in words is "sixty million, nine hundred sixty-one thousand, five hundred thirty-nine".