2025658 has 4 divisors (see below), whose sum is σ = 3038490. Its totient is φ = 1012828.

The previous prime is 2025649. The next prime is 2025659. The reversal of 2025658 is 8565202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8565202 = 2 ⋅4282601.

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 729 = 1423^2 + 27^2 .

It is not an unprimeable number, because it can be changed into a prime (2025659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506413 + ... + 506416.

2^2025658 is an apocalyptic number.

2025658 is a deficient number, since it is larger than the sum of its proper divisors (1012832).

2025658 is a wasteful number, since it uses less digits than its factorization.

2025658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012831.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2025658 is about 1423.2561259310. The cubic root of 2025658 is about 126.5286014889.

The spelling of 2025658 in words is "two million, twenty-five thousand, six hundred fifty-eight".