25534506 has 8 divisors (see below), whose sum is σ = 51069024. Its totient is φ = 8511500.

The previous prime is 25534501. The next prime is 25534519. The reversal of 25534506 is 60543552.

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

25534506 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25534501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127870 + ... + 2127881.

It is an arithmetic number, because the mean of its divisors is an integer number (6383628).

Almost surely, 2^25534506 is an apocalyptic number.

25534506 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.

25534506 is a wasteful number, since it uses less digits than its factorization.

25534506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255756.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 25534506 is about 5053.1679172575. The cubic root of 25534506 is about 294.4709698767.

The spelling of 25534506 in words is "twenty-five million, five hundred thirty-four thousand, five hundred six".