2025406 has 4 divisors (see below), whose sum is σ = 3038112. Its totient is φ = 1012702.

The previous prime is 2025377. The next prime is 2025409. The reversal of 2025406 is 6045202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6045202 = 2 ⋅3022601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506350 + ... + 506353.

It is an arithmetic number, because the mean of its divisors is an integer number (759528).

2^2025406 is an apocalyptic number.

2025406 is a deficient number, since it is larger than the sum of its proper divisors (1012706).

2025406 is a wasteful number, since it uses less digits than its factorization.

2025406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012705.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2025406 is about 1423.1675937851. The cubic root of 2025406 is about 126.5233543824.

The spelling of 2025406 in words is "two million, twenty-five thousand, four hundred six".