25161027 has 8 divisors (see below), whose sum is σ = 34262016. Its totient is φ = 16417032.

The previous prime is 25161023. The next prime is 25161029. The reversal of 25161027 is 72016152.

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

It is not a de Polignac number, because 25161027 - 2² = 25161023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25160988 and 25161006.

It is not an unprimeable number, because it can be changed into a prime (25161023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89083 + ... + 89364.

It is an arithmetic number, because the mean of its divisors is an integer number (4282752).

Almost surely, 2^25161027 is an apocalyptic number.

25161027 is a deficient number, since it is larger than the sum of its proper divisors (9100989).

25161027 is a wasteful number, since it uses less digits than its factorization.

25161027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178497.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 25161027 is about 5016.0768534782. The cubic root of 25161027 is about 293.0282251384.

Adding to 25161027 its reverse (72016152), we get a palindrome (97177179).

The spelling of 25161027 in words is "twenty-five million, one hundred sixty-one thousand, twenty-seven".