2025778 has 8 divisors (see below), whose sum is σ = 3045168. Its totient is φ = 1010724.

The previous prime is 2025767. The next prime is 2025791. The reversal of 2025778 is 8775202.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625 + ... + 2107.

It is an arithmetic number, because the mean of its divisors is an integer number (380646).

2^2025778 is an apocalyptic number.

2025778 is a deficient number, since it is larger than the sum of its proper divisors (1019390).

2025778 is a wasteful number, since it uses less digits than its factorization.

2025778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 2025778 is about 1423.2982821601. The cubic root of 2025778 is about 126.5310999581.

The spelling of 2025778 in words is "two million, twenty-five thousand, seven hundred seventy-eight".