25300145 has 24 divisors (see below), whose sum is σ = 33379200. Its totient is φ = 18398016.

The previous prime is 25300139. The next prime is 25300159. The reversal of 25300145 is 54100352.

It is not a de Polignac number, because 25300145 - 2⁴ = 25300129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66566 + ... + 66944.

It is an arithmetic number, because the mean of its divisors is an integer number (1390800).

Almost surely, 2^25300145 is an apocalyptic number.

It is an amenable number.

25300145 is a deficient number, since it is larger than the sum of its proper divisors (8079055).

25300145 is a wasteful number, since it uses less digits than its factorization.

25300145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 25300145 is about 5029.9249497383. The cubic root of 25300145 is about 293.5672942617.

Adding to 25300145 its reverse (54100352), we get a palindrome (79400497).

The spelling of 25300145 in words is "twenty-five million, three hundred thousand, one hundred forty-five".