28300245425 has 12 divisors (see below), whose sum is σ = 35420273136. Its totient is φ = 22428603600.

The previous prime is 28300245409. The next prime is 28300245431. The reversal of 28300245425 is 52454200382.

It is a happy number.

It is not a de Polignac number, because 28300245425 - 2⁴ = 28300245409 is a prime.

It is a super-2 number, since 2×28300245425² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5287091 + ... + 5292440.

It is an arithmetic number, because the mean of its divisors is an integer number (2951689428).

Almost surely, 2^28300245425 is an apocalyptic number.

28300245425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28300245425 is a deficient number, since it is larger than the sum of its proper divisors (7120027711).

28300245425 is a wasteful number, since it uses less digits than its factorization.

28300245425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10579648 (or 10579643 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 28300245425 in words is "twenty-eight billion, three hundred million, two hundred forty-five thousand, four hundred twenty-five".