2025542 has 4 divisors (see below), whose sum is σ = 3038316. Its totient is φ = 1012770.

The previous prime is 2025539. The next prime is 2025553. The reversal of 2025542 is 2455202.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506384 + ... + 506387.

It is an arithmetic number, because the mean of its divisors is an integer number (759579).

2^2025542 is an apocalyptic number.

2025542 is a deficient number, since it is larger than the sum of its proper divisors (1012774).

2025542 is a wasteful number, since it uses less digits than its factorization.

2025542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012773.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2025542 is about 1423.2153737225. The cubic root of 2025542 is about 126.5261862082.

The spelling of 2025542 in words is "two million, twenty-five thousand, five hundred forty-two".