25552101 has 8 divisors (see below), whose sum is σ = 34093024. Its totient is φ = 17022960.

The previous prime is 25552099. The next prime is 25552123. The reversal of 25552101 is 10125552.

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

It is not a de Polignac number, because 25552101 - 2¹ = 25552099 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25552181) 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, 6006 + ... + 9336.

It is an arithmetic number, because the mean of its divisors is an integer number (4261628).

Almost surely, 2^25552101 is an apocalyptic number.

It is an amenable number.

25552101 is a deficient number, since it is larger than the sum of its proper divisors (8540923).

25552101 is a wasteful number, since it uses less digits than its factorization.

25552101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5891.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 25552101 is about 5054.9086045150. The cubic root of 25552101 is about 294.5385911458.

Adding to 25552101 its reverse (10125552), we get a palindrome (35677653).

It can be divided in two parts, 2555 and 2101, that added together give a triangular number (4656 = T₉₆).

The spelling of 25552101 in words is "twenty-five million, five hundred fifty-two thousand, one hundred one".