25064538 has 8 divisors (see below), whose sum is σ = 50129088. Its totient is φ = 8354844.

The previous prime is 25064537. The next prime is 25064551. The reversal of 25064538 is 83546052.

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

25064538 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 25064499 and 25064508.

It is not an unprimeable number, because it can be changed into a prime (25064537) 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, 2088706 + ... + 2088717.

It is an arithmetic number, because the mean of its divisors is an integer number (6266136).

Almost surely, 2^25064538 is an apocalyptic number.

25064538 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.

25064538 is a wasteful number, since it uses less digits than its factorization.

25064538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177428.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 25064538 is about 5006.4496402141. The cubic root of 25064538 is about 292.6531712917.

The spelling of 25064538 in words is "twenty-five million, sixty-four thousand, five hundred thirty-eight".