25067641 has 4 divisors (see below), whose sum is σ = 25265152. Its totient is φ = 24870132.

The previous prime is 25067599. The next prime is 25067657. The reversal of 25067641 is 14676052.

It is a happy number.

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 25067641 - 2²¹ = 22970489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25067671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98565 + ... + 98818.

It is an arithmetic number, because the mean of its divisors is an integer number (6316288).

Almost surely, 2^25067641 is an apocalyptic number.

It is an amenable number.

25067641 is a deficient number, since it is larger than the sum of its proper divisors (197511).

25067641 is a wasteful number, since it uses less digits than its factorization.

25067641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197510.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 25067641 is about 5006.7595308742. The cubic root of 25067641 is about 292.6652476540.

The spelling of 25067641 in words is "twenty-five million, sixty-seven thousand, six hundred forty-one".