2025578 has 4 divisors (see below), whose sum is σ = 3038370. Its totient is φ = 1012788.

The previous prime is 2025577. The next prime is 2025589. The reversal of 2025578 is 8755202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8755202 = 2 ⋅4377601.

It can be written as a sum of positive squares in only one way, i.e., 2007889 + 17689 = 1417^2 + 133^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2025578.

It is not an unprimeable number, because it can be changed into a prime (2025577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506393 + ... + 506396.

2^2025578 is an apocalyptic number.

2025578 is a deficient number, since it is larger than the sum of its proper divisors (1012792).

2025578 is a wasteful number, since it uses less digits than its factorization.

2025578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012791.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2025578 is about 1423.2280210845. The cubic root of 2025578 is about 126.5269357880.

The spelling of 2025578 in words is "two million, twenty-five thousand, five hundred seventy-eight".