25352647 has 8 divisors (see below), whose sum is σ = 26578944. Its totient is φ = 24136728.

The previous prime is 25352617. The next prime is 25352651. The reversal of 25352647 is 74625352.

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 25352647 - 2⁷ = 25352519 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 (25352617) 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, 2658 + ... + 7600.

It is an arithmetic number, because the mean of its divisors is an integer number (3322368).

Almost surely, 2^25352647 is an apocalyptic number.

25352647 is a deficient number, since it is larger than the sum of its proper divisors (1226297).

25352647 is a wasteful number, since it uses less digits than its factorization.

25352647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189.

The product of its digits is 50400, while the sum is 34.

The square root of 25352647 is about 5035.1412095392. The cubic root of 25352647 is about 293.7702209107.

Adding to 25352647 its reverse (74625352), we get a palindrome (99977999).

It can be divided in two parts, 253 and 52647, that added together give a square (52900 = 230²).

The spelling of 25352647 in words is "twenty-five million, three hundred fifty-two thousand, six hundred forty-seven".