25601411 has 4 divisors (see below), whose sum is σ = 27928824. Its totient is φ = 23274000.

The previous prime is 25601399. The next prime is 25601423. The reversal of 25601411 is 11410652.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25601399) and next prime (25601423).

It is a cyclic number.

It is not a de Polignac number, because 25601411 - 2⁶ = 25601347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25601011) 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, 1163690 + ... + 1163711.

It is an arithmetic number, because the mean of its divisors is an integer number (6982206).

Almost surely, 2^25601411 is an apocalyptic number.

25601411 is a deficient number, since it is larger than the sum of its proper divisors (2327413).

25601411 is a wasteful number, since it uses less digits than its factorization.

25601411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327412.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 25601411 is about 5059.7836910287. The cubic root of 25601411 is about 294.7279345505.

The spelling of 25601411 in words is "twenty-five million, six hundred one thousand, four hundred eleven".