581052378 has 32 divisors (see below), whose sum is σ = 1190794176. Its totient is φ = 188915328.

The previous prime is 581052377. The next prime is 581052397. The reversal of 581052378 is 873250185.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (581052377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282000 + ... + 284052.

It is an arithmetic number, because the mean of its divisors is an integer number (37212318).

Almost surely, 2^581052378 is an apocalyptic number.

581052378 is an abundant number, since it is smaller than the sum of its proper divisors (609741798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

581052378 is a wasteful number, since it uses less digits than its factorization.

581052378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 581052378 is about 24105.0280647005. The cubic root of 581052378 is about 834.4591752865.

The spelling of 581052378 in words is "five hundred eighty-one million, fifty-two thousand, three hundred seventy-eight".