5254605781 has 8 divisors (see below), whose sum is σ = 5648849280. Its totient is φ = 4872130848.

The previous prime is 5254605779. The next prime is 5254605791. The reversal of 5254605781 is 1875064525.

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 5254605781 - 2¹ = 5254605779 is a prime.

It is a super-2 number, since 2×5254605781² = 55221763827437239922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5254605731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2941216 + ... + 2943001.

It is an arithmetic number, because the mean of its divisors is an integer number (706106160).

Almost surely, 2^5254605781 is an apocalyptic number.

It is an amenable number.

5254605781 is a deficient number, since it is larger than the sum of its proper divisors (394243499).

5254605781 is a wasteful number, since it uses less digits than its factorization.

5254605781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884283.

The product of its (nonzero) digits is 336000, while the sum is 43.

The square root of 5254605781 is about 72488.6596717031. The cubic root of 5254605781 is about 1738.5214220622.

The spelling of 5254605781 in words is "five billion, two hundred fifty-four million, six hundred five thousand, seven hundred eighty-one".