2025856447 has 8 divisors (see below), whose sum is σ = 2051272944. Its totient is φ = 2000464128.

The previous prime is 2025856423. The next prime is 2025856457. The reversal of 2025856447 is 7446585202.

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-2025856447 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 (2025856457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210513 + ... + 219925.

It is an arithmetic number, because the mean of its divisors is an integer number (256409118).

Almost surely, 2^2025856447 is an apocalyptic number.

2025856447 is a deficient number, since it is larger than the sum of its proper divisors (25416497).

2025856447 is an equidigital number, since it uses as much as digits as its factorization.

2025856447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12089.

The product of its (nonzero) digits is 537600, while the sum is 43.

The square root of 2025856447 is about 45009.5150718156. The cubic root of 2025856447 is about 1265.3273321657.

The spelling of 2025856447 in words is "two billion, twenty-five million, eight hundred fifty-six thousand, four hundred forty-seven".