25125105 has 8 divisors (see below), whose sum is σ = 40200192. Its totient is φ = 13400048.

The previous prime is 25125083. The next prime is 25125151. The reversal of 25125105 is 50152152.

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

It is a cyclic number.

It is not a de Polignac number, because 25125105 - 2⁵ = 25125073 is a prime.

It is a super-2 number, since 2×25125105² = 1262541802522050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837489 + ... + 837518.

It is an arithmetic number, because the mean of its divisors is an integer number (5025024).

Almost surely, 2^25125105 is an apocalyptic number.

It is an amenable number.

25125105 is a deficient number, since it is larger than the sum of its proper divisors (15075087).

25125105 is a wasteful number, since it uses less digits than its factorization.

25125105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675015.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 25125105 is about 5012.4948877779. The cubic root of 25125105 is about 292.8887081356. Note that the first 3 decimals are identical.

Adding to 25125105 its reverse (50152152), we get a palindrome (75277257).

The spelling of 25125105 in words is "twenty-five million, one hundred twenty-five thousand, one hundred five".