25100045 has 8 divisors (see below), whose sum is σ = 31705440. Its totient is φ = 19023120.

The previous prime is 25100039. The next prime is 25100059. The reversal of 25100045 is 54000152.

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

It is not a de Polignac number, because 25100045 - 2⁴ = 25100029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25099996 and 25100032.

It is a congruent number.

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, 132011 + ... + 132200.

It is an arithmetic number, because the mean of its divisors is an integer number (3963180).

Almost surely, 2^25100045 is an apocalyptic number.

It is an amenable number.

25100045 is a deficient number, since it is larger than the sum of its proper divisors (6605395).

25100045 is a wasteful number, since it uses less digits than its factorization.

25100045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264235.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 25100045 is about 5009.9945109750. The cubic root of 25100045 is about 292.7912991544.

Adding to 25100045 its reverse (54000152), we get a palindrome (79100197).

The spelling of 25100045 in words is "twenty-five million, one hundred thousand, forty-five".