25552542 has 8 divisors (see below), whose sum is σ = 51105096. Its totient is φ = 8517512.

The previous prime is 25552493. The next prime is 25552561. The reversal of 25552542 is 24525552.

It is a sphenic number, since it is the product of 3 distinct primes.

25552542 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129373 + ... + 2129384.

It is an arithmetic number, because the mean of its divisors is an integer number (6388137).

Almost surely, 2^25552542 is an apocalyptic number.

25552542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25552542 is a wasteful number, since it uses less digits than its factorization.

25552542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258762.

The product of its digits is 20000, while the sum is 30.

The square root of 25552542 is about 5054.9522252935. The cubic root of 25552542 is about 294.5402856023.

The spelling of 25552542 in words is "twenty-five million, five hundred fifty-two thousand, five hundred forty-two".