28050303025 has 24 divisors (see below), whose sum is σ = 37015454520. Its totient is φ = 21012956160.

The previous prime is 28050302977. The next prime is 28050303067. The reversal of 28050303025 is 52030305082.

It can be written as a sum of positive squares in 12 ways, for example, as 1191354256 + 26858948769 = 34516^2 + 163887^2 .

It is a de Polignac number, because none of the positive numbers 2^k-28050303025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28050302984 and 28050303002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83790 + ... + 251239.

It is an arithmetic number, because the mean of its divisors is an integer number (1542310605).

Almost surely, 2^28050303025 is an apocalyptic number.

28050303025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28050303025 is a deficient number, since it is larger than the sum of its proper divisors (8965151495).

28050303025 is a wasteful number, since it uses less digits than its factorization.

28050303025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335253 (or 335248 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 28050303025 in words is "twenty-eight billion, fifty million, three hundred three thousand, twenty-five".