25260427 has 4 divisors (see below), whose sum is σ = 25459456. Its totient is φ = 25061400.

The previous prime is 25260413. The next prime is 25260457. The reversal of 25260427 is 72406252.

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 25260427 - 2¹⁵ = 25227659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25260395 and 25260404.

It is not an unprimeable number, because it can be changed into a prime (25260457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99324 + ... + 99577.

It is an arithmetic number, because the mean of its divisors is an integer number (6364864).

Almost surely, 2^25260427 is an apocalyptic number.

25260427 is a deficient number, since it is larger than the sum of its proper divisors (199029).

25260427 is a wasteful number, since it uses less digits than its factorization.

25260427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199028.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 25260427 is about 5025.9752287491. The cubic root of 25260427 is about 293.4135927362.

Adding to 25260427 its reverse (72406252), we get a palindrome (97666679).

The spelling of 25260427 in words is "twenty-five million, two hundred sixty thousand, four hundred twenty-seven".