2572105439 has 8 divisors (see below), whose sum is σ = 2725697520. Its totient is φ = 2422840000.

The previous prime is 2572105421. The next prime is 2572105441. The reversal of 2572105439 is 9345012752.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2572105439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572105469) 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, 1080437 + ... + 1082814.

It is an arithmetic number, because the mean of its divisors is an integer number (340712190).

Almost surely, 2^2572105439 is an apocalyptic number.

2572105439 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2572105439 is a deficient number, since it is larger than the sum of its proper divisors (153592081).

2572105439 is a wasteful number, since it uses less digits than its factorization.

2572105439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163321.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2572105439 is about 50715.9288488341. The cubic root of 2572105439 is about 1370.1336184876.

The spelling of 2572105439 in words is "two billion, five hundred seventy-two million, one hundred five thousand, four hundred thirty-nine".