61060561 has 8 divisors (see below), whose sum is σ = 63814464. Its totient is φ = 58314960.

The previous prime is 61060553. The next prime is 61060621. The reversal of 61060561 is 16506016.

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 61060561 - 2³ = 61060553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61060511) 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, 16666 + ... + 19996.

It is an arithmetic number, because the mean of its divisors is an integer number (7976808).

Almost surely, 2^61060561 is an apocalyptic number.

It is an amenable number.

61060561 is a deficient number, since it is larger than the sum of its proper divisors (2753903).

61060561 is a wasteful number, since it uses less digits than its factorization.

61060561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 61060561 is about 7814.1257348471. The cubic root of 61060561 is about 393.7799474661.

Adding to 61060561 its reverse (16506016), we get a palindrome (77566577).

The spelling of 61060561 in words is "sixty-one million, sixty thousand, five hundred sixty-one".