61854443 has 8 divisors (see below), whose sum is σ = 74411520. Its totient is φ = 50227560.

The previous prime is 61854431. The next prime is 61854451. The reversal of 61854443 is 34445816.

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 61854443 - 2⁶ = 61854379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61854473) 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, 232403 + ... + 232668.

It is an arithmetic number, because the mean of its divisors is an integer number (9301440).

Almost surely, 2^61854443 is an apocalyptic number.

61854443 is a deficient number, since it is larger than the sum of its proper divisors (12557077).

61854443 is a wasteful number, since it uses less digits than its factorization.

61854443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465097.

The product of its digits is 46080, while the sum is 35.

The square root of 61854443 is about 7864.7595640299. The cubic root of 61854443 is about 395.4791877140.

The spelling of 61854443 in words is "sixty-one million, eight hundred fifty-four thousand, four hundred forty-three".