4252851861 has 8 divisors (see below), whose sum is σ = 5670805920. Its totient is φ = 2835066192.

The previous prime is 4252851847. The next prime is 4252851877. The reversal of 4252851861 is 1681582524.

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

It is not a de Polignac number, because 4252851861 - 2¹¹ = 4252849813 is a prime.

It is a super-2 number, since 2×4252851861² = 36173497903222326642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4252851821) 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, 39346 + ... + 100268.

It is an arithmetic number, because the mean of its divisors is an integer number (708850740).

Almost surely, 2^4252851861 is an apocalyptic number.

It is an amenable number.

4252851861 is a deficient number, since it is larger than the sum of its proper divisors (1417954059).

4252851861 is a wasteful number, since it uses less digits than its factorization.

4252851861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84195.

The product of its digits is 153600, while the sum is 42.

The square root of 4252851861 is about 65213.8931593568. The cubic root of 4252851861 is about 1620.1681303172.

The spelling of 4252851861 in words is "four billion, two hundred fifty-two million, eight hundred fifty-one thousand, eight hundred sixty-one".