25352661 has 8 divisors (see below), whose sum is σ = 35792064. Its totient is φ = 15907520.

The previous prime is 25352653. The next prime is 25352741. The reversal of 25352661 is 16625352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25352661 - 2³ = 25352653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25352611) 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 7 ways as a sum of consecutive naturals, for example, 248505 + ... + 248606.

It is an arithmetic number, because the mean of its divisors is an integer number (4474008).

Almost surely, 2^25352661 is an apocalyptic number.

It is an amenable number.

25352661 is a deficient number, since it is larger than the sum of its proper divisors (10439403).

25352661 is a wasteful number, since it uses less digits than its factorization.

25352661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497131.

The product of its digits is 10800, while the sum is 30.

The square root of 25352661 is about 5035.1425997682. The cubic root of 25352661 is about 293.7702749851.

The spelling of 25352661 in words is "twenty-five million, three hundred fifty-two thousand, six hundred sixty-one".