25500063 has 4 divisors (see below), whose sum is σ = 34000088. Its totient is φ = 17000040.

The previous prime is 25500061. The next prime is 25500089. The reversal of 25500063 is 36000552.

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

It is not a de Polignac number, because 25500063 - 2¹ = 25500061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25500061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4250008 + ... + 4250013.

It is an arithmetic number, because the mean of its divisors is an integer number (8500022).

Almost surely, 2^25500063 is an apocalyptic number.

25500063 is a deficient number, since it is larger than the sum of its proper divisors (8500025).

25500063 is an equidigital number, since it uses as much as digits as its factorization.

25500063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500024.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 25500063 is about 5049.7587071067. The cubic root of 25500063 is about 294.3385082402.

The spelling of 25500063 in words is "twenty-five million, five hundred thousand, sixty-three".