25001027 has 4 divisors (see below), whose sum is σ = 25130760. Its totient is φ = 24871296.

The previous prime is 25000991. The next prime is 25001029. The reversal of 25001027 is 72010052.

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

It is a cyclic number.

It is not a de Polignac number, because 25001027 - 2⁸ = 25000771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25000996 and 25001014.

It is not an unprimeable number, because it can be changed into a prime (25001029) 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, 64577 + ... + 64962.

It is an arithmetic number, because the mean of its divisors is an integer number (6282690).

Almost surely, 2^25001027 is an apocalyptic number.

25001027 is a deficient number, since it is larger than the sum of its proper divisors (129733).

25001027 is a wasteful number, since it uses less digits than its factorization.

25001027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129732.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 25001027 is about 5000.1026989453. The cubic root of 25001027 is about 292.4057777214.

Adding to 25001027 its reverse (72010052), we get a palindrome (97011079).

The spelling of 25001027 in words is "twenty-five million, one thousand, twenty-seven".