25528003025 has 24 divisors (see below), whose sum is σ = 37749738624. Its totient is φ = 16743830400.

The previous prime is 25528003019. The next prime is 25528003031. The reversal of 25528003025 is 52030082552.

It is an interprime number because it is at equal distance from previous prime (25528003019) and next prime (25528003031).

It is not a de Polignac number, because 25528003025 - 2¹⁰ = 25528002001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25528002982 and 25528003000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3167156 + ... + 3175205.

It is an arithmetic number, because the mean of its divisors is an integer number (1572905776).

Almost surely, 2^25528003025 is an apocalyptic number.

25528003025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25528003025 is a deficient number, since it is larger than the sum of its proper divisors (12221735599).

25528003025 is a wasteful number, since it uses less digits than its factorization.

25528003025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6342401 (or 6342396 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 25528003025 its reverse (52030082552), we get a palindrome (77558085577).

The spelling of 25528003025 in words is "twenty-five billion, five hundred twenty-eight million, three thousand, twenty-five".