28525119 has 16 divisors (see below), whose sum is σ = 43802880. Its totient is φ = 16174080.

The previous prime is 28525117. The next prime is 28525151. The reversal of 28525119 is 91152582.

It is not a de Polignac number, because 28525119 - 2¹ = 28525117 is a prime.

It is a super-2 number, since 2×28525119² = 1627364827928322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28525119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28525111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2434 + ... + 7935.

It is an arithmetic number, because the mean of its divisors is an integer number (2737680).

Almost surely, 2^28525119 is an apocalyptic number.

28525119 is a deficient number, since it is larger than the sum of its proper divisors (15277761).

28525119 is a wasteful number, since it uses less digits than its factorization.

28525119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510.

The product of its digits is 7200, while the sum is 33.

The square root of 28525119 is about 5340.8912177651. The cubic root of 28525119 is about 305.5454505431.

The spelling of 28525119 in words is "twenty-eight million, five hundred twenty-five thousand, one hundred nineteen".