61330641 has 8 divisors (see below), whose sum is σ = 81932640. Its totient is φ = 40807872.

The previous prime is 61330639. The next prime is 61330693. The reversal of 61330641 is 14603316.

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

It is not a de Polignac number, because 61330641 - 2¹ = 61330639 is a prime.

It is a super-2 number, since 2×61330641² = 7522895050941762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61330141) 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, 17976 + ... + 21113.

It is an arithmetic number, because the mean of its divisors is an integer number (10241580).

Almost surely, 2^61330641 is an apocalyptic number.

It is an amenable number.

61330641 is a deficient number, since it is larger than the sum of its proper divisors (20601999).

61330641 is a wasteful number, since it uses less digits than its factorization.

61330641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39615.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 61330641 is about 7831.3881911191. The cubic root of 61330641 is about 394.3596761099.

Adding to 61330641 its reverse (14603316), we get a palindrome (75933957).

The spelling of 61330641 in words is "sixty-one million, three hundred thirty thousand, six hundred forty-one".