25423611 has 4 divisors (see below), whose sum is σ = 33898152. Its totient is φ = 16949072.

The previous prime is 25423589. The next prime is 25423613. The reversal of 25423611 is 11632452.

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 25423611 - 2¹³ = 25415419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25423613) 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 3 ways as a sum of consecutive naturals, for example, 4237266 + ... + 4237271.

It is an arithmetic number, because the mean of its divisors is an integer number (8474538).

Almost surely, 2^25423611 is an apocalyptic number.

25423611 is a deficient number, since it is larger than the sum of its proper divisors (8474541).

25423611 is an equidigital number, since it uses as much as digits as its factorization.

25423611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8474540.

The product of its digits is 1440, while the sum is 24.

The square root of 25423611 is about 5042.1831581171. The cubic root of 25423611 is about 294.0440606832.

The spelling of 25423611 in words is "twenty-five million, four hundred twenty-three thousand, six hundred eleven".