25604741 has 4 divisors (see below), whose sum is σ = 25617984. Its totient is φ = 25591500.

The previous prime is 25604717. The next prime is 25604759. The reversal of 25604741 is 14740652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25604741 - 2¹⁴ = 25588357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25604641) 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, 3095 + ... + 7796.

It is an arithmetic number, because the mean of its divisors is an integer number (6404496).

Almost surely, 2^25604741 is an apocalyptic number.

It is an amenable number.

25604741 is a deficient number, since it is larger than the sum of its proper divisors (13243).

25604741 is a wasteful number, since it uses less digits than its factorization.

25604741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13242.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 25604741 is about 5060.1127457795. The cubic root of 25604741 is about 294.7407125113.

The spelling of 25604741 in words is "twenty-five million, six hundred four thousand, seven hundred forty-one".