25303028 has 6 divisors (see below), whose sum is σ = 44280306. Its totient is φ = 12651512.

The previous prime is 25303001. The next prime is 25303063. The reversal of 25303028 is 82030352.

It can be written as a sum of positive squares in only one way, i.e., 25020004 + 283024 = 5002^2 + 532^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25302994 and 25303012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3162875 + ... + 3162882.

It is an arithmetic number, because the mean of its divisors is an integer number (7380051).

Almost surely, 2^25303028 is an apocalyptic number.

It is an amenable number.

25303028 is a deficient number, since it is larger than the sum of its proper divisors (18977278).

25303028 is a wasteful number, since it uses less digits than its factorization.

25303028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325761 (or 6325759 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 25303028 is about 5030.2115263675. The cubic root of 25303028 is about 293.5784446900.

The spelling of 25303028 in words is "twenty-five million, three hundred three thousand, twenty-eight".