25300105 has 4 divisors (see below), whose sum is σ = 30360132. Its totient is φ = 20240080.

The previous prime is 25300091. The next prime is 25300109. The reversal of 25300105 is 50100352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9784384 + 15515721 = 3128^2 + 3939^2 .

It is not a de Polignac number, because 25300105 - 2⁵ = 25300073 is a prime.

It is a super-2 number, since 2×25300105² = 1280190626022050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25300109) 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, 2530006 + ... + 2530015.

It is an arithmetic number, because the mean of its divisors is an integer number (7590033).

Almost surely, 2^25300105 is an apocalyptic number.

It is an amenable number.

25300105 is a deficient number, since it is larger than the sum of its proper divisors (5060027).

25300105 is an equidigital number, since it uses as much as digits as its factorization.

25300105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060026.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 25300105 is about 5029.9209735343. The cubic root of 25300105 is about 293.5671395498.

Adding to 25300105 its reverse (50100352), we get a palindrome (75400457).

The spelling of 25300105 in words is "twenty-five million, three hundred thousand, one hundred five".