25123065 has 32 divisors (see below), whose sum is σ = 44292096. Its totient is φ = 12058560.

The previous prime is 25123001. The next prime is 25123079. The reversal of 25123065 is 56032152.

It is not a de Polignac number, because 25123065 - 2⁶ = 25123001 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16944 + ... + 18366.

It is an arithmetic number, because the mean of its divisors is an integer number (1384128).

Almost surely, 2^25123065 is an apocalyptic number.

It is an amenable number.

25123065 is a deficient number, since it is larger than the sum of its proper divisors (19169031).

25123065 is a wasteful number, since it uses less digits than its factorization.

25123065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 25123065 is about 5012.2913921679. The cubic root of 25123065 is about 292.8807810160.

The spelling of 25123065 in words is "twenty-five million, one hundred twenty-three thousand, sixty-five".