2825520389 has 8 divisors (see below), whose sum is σ = 2918334720. Its totient is φ = 2732810400.

The previous prime is 2825520361. The next prime is 2825520413. The reversal of 2825520389 is 9830255282.

It is a happy number.

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-2825520389 is a prime.

It is a super-2 number, since 2×2825520389² = 15967130937309422642, 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 (2825520359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30977 + ... + 81305.

It is an arithmetic number, because the mean of its divisors is an integer number (364791840).

Almost surely, 2^2825520389 is an apocalyptic number.

It is an amenable number.

2825520389 is a deficient number, since it is larger than the sum of its proper divisors (92814331).

2825520389 is a wasteful number, since it uses less digits than its factorization.

2825520389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52171.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 2825520389 is about 53155.6242461698. The cubic root of 2825520389 is about 1413.7289403643.

The spelling of 2825520389 in words is "two billion, eight hundred twenty-five million, five hundred twenty thousand, three hundred eighty-nine".