28050451 has 24 divisors (see below), whose sum is σ = 33730560. Its totient is φ = 23119200.

The previous prime is 28050433. The next prime is 28050461. The reversal of 28050451 is 15405082.

It is not a de Polignac number, because 28050451 - 2⁹ = 28049939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28050461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146766 + ... + 146956.

It is an arithmetic number, because the mean of its divisors is an integer number (1405440).

Almost surely, 2^28050451 is an apocalyptic number.

28050451 is a deficient number, since it is larger than the sum of its proper divisors (5680109).

28050451 is a wasteful number, since it uses less digits than its factorization.

28050451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 28050451 is about 5296.2676480707. The cubic root of 28050451 is about 303.8411674612.

The spelling of 28050451 in words is "twenty-eight million, fifty thousand, four hundred fifty-one".