25552325 has 12 divisors (see below), whose sum is σ = 31978980. Its totient is φ = 20252160.

The previous prime is 25552301. The next prime is 25552337. The reversal of 25552325 is 52325552.

It can be written as a sum of positive squares in 6 ways, for example, as 1747684 + 23804641 = 1322^2 + 4879^2 .

It is not a de Polignac number, because 25552325 - 2¹⁴ = 25535941 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1964 + ... + 7413.

It is an arithmetic number, because the mean of its divisors is an integer number (2664915).

Almost surely, 2^25552325 is an apocalyptic number.

25552325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25552325 is a deficient number, since it is larger than the sum of its proper divisors (6426655).

25552325 is a wasteful number, since it uses less digits than its factorization.

25552325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9496 (or 9491 counting only the distinct ones).

The product of its digits is 15000, while the sum is 29.

The square root of 25552325 is about 5054.9307611480. The cubic root of 25552325 is about 294.5394518245.

Adding to 25552325 its reverse (52325552), we get a palindrome (77877877).

The spelling of 25552325 in words is "twenty-five million, five hundred fifty-two thousand, three hundred twenty-five".