25272005 has 16 divisors (see below), whose sum is σ = 33264000. Its totient is φ = 18279360.

The previous prime is 25271993. The next prime is 25272017. The reversal of 25272005 is 50027252.

It is an interprime number because it is at equal distance from previous prime (25271993) and next prime (25272017).

It is not a de Polignac number, because 25272005 - 2⁴ = 25271989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9791 + ... + 12099.

It is an arithmetic number, because the mean of its divisors is an integer number (2079000).

Almost surely, 2^25272005 is an apocalyptic number.

It is an amenable number.

25272005 is a deficient number, since it is larger than the sum of its proper divisors (7991995).

25272005 is a wasteful number, since it uses less digits than its factorization.

25272005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 25272005 is about 5027.1269130588. The cubic root of 25272005 is about 293.4584141439.

Adding to 25272005 its reverse (50027252), we get a palindrome (75299257).

The spelling of 25272005 in words is "twenty-five million, two hundred seventy-two thousand, five".