61884541 has 4 divisors (see below), whose sum is σ = 61952800. Its totient is φ = 61816284.

The previous prime is 61884527. The next prime is 61884553. The reversal of 61884541 is 14548816.

61884541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61884541 - 2¹³ = 61876349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61884541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61884241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32751 + ... + 34588.

It is an arithmetic number, because the mean of its divisors is an integer number (15488200).

Almost surely, 2^61884541 is an apocalyptic number.

It is an amenable number.

61884541 is a deficient number, since it is larger than the sum of its proper divisors (68259).

61884541 is an equidigital number, since it uses as much as digits as its factorization.

61884541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68258.

The product of its digits is 30720, while the sum is 37.

The square root of 61884541 is about 7866.6728036699. The cubic root of 61884541 is about 395.5433232440.

The spelling of 61884541 in words is "sixty-one million, eight hundred eighty-four thousand, five hundred forty-one".