5205372891 has 8 divisors (see below), whose sum is σ = 6954408000. Its totient is φ = 3463293192.

The previous prime is 5205372877. The next prime is 5205372929. The reversal of 5205372891 is 1982735025.

It is a happy number.

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

It is not a de Polignac number, because 5205372891 - 2¹⁰ = 5205371867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5205372871) 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, 1737105 + ... + 1740098.

It is an arithmetic number, because the mean of its divisors is an integer number (869301000).

Almost surely, 2^5205372891 is an apocalyptic number.

5205372891 is a deficient number, since it is larger than the sum of its proper divisors (1749035109).

5205372891 is a wasteful number, since it uses less digits than its factorization.

5205372891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477705.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 5205372891 is about 72148.2701871639. The cubic root of 5205372891 is about 1733.0746986598.

The spelling of 5205372891 in words is "five billion, two hundred five million, three hundred seventy-two thousand, eight hundred ninety-one".