25829542 has 4 divisors (see below), whose sum is σ = 38744316. Its totient is φ = 12914770.

The previous prime is 25829533. The next prime is 25829543. The reversal of 25829542 is 24592852.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25829543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6457384 + ... + 6457387.

It is an arithmetic number, because the mean of its divisors is an integer number (9686079).

Almost surely, 2^25829542 is an apocalyptic number.

25829542 is a deficient number, since it is larger than the sum of its proper divisors (12914774).

25829542 is a wasteful number, since it uses less digits than its factorization.

25829542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12914773.

The product of its digits is 57600, while the sum is 37.

The square root of 25829542 is about 5082.2772454875. The cubic root of 25829542 is about 295.6007751009.

The spelling of 25829542 in words is "twenty-five million, eight hundred twenty-nine thousand, five hundred forty-two".