25948542 has 16 divisors (see below), whose sum is σ = 51947280. Its totient is φ = 8641152.

The previous prime is 25948537. The next prime is 25948543. The reversal of 25948542 is 24584952.

It is a self number, because there is not a number n which added to its sum of digits gives 25948542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25948543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10084 + ... + 12392.

It is an arithmetic number, because the mean of its divisors is an integer number (3246705).

Almost surely, 2^25948542 is an apocalyptic number.

25948542 is an abundant number, since it is smaller than the sum of its proper divisors (25998738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25948542 is a wasteful number, since it uses less digits than its factorization.

25948542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187.

The product of its digits is 115200, while the sum is 39.

The square root of 25948542 is about 5093.9711424389. The cubic root of 25948542 is about 296.0540365798.

The spelling of 25948542 in words is "twenty-five million, nine hundred forty-eight thousand, five hundred forty-two".