28527152 has 10 divisors (see below), whose sum is σ = 55271388. Its totient is φ = 14263568.

The previous prime is 28527143. The next prime is 28527209. The reversal of 28527152 is 25172582.

It is a happy number.

It is a super-2 number, since 2×28527152² = 1627596802462208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 891458 + ... + 891489.

Almost surely, 2^28527152 is an apocalyptic number.

It is an amenable number.

28527152 is a deficient number, since it is larger than the sum of its proper divisors (26744236).

28527152 is a wasteful number, since it uses less digits than its factorization.

28527152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782955 (or 1782949 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 28527152 is about 5341.0815384152. The cubic root of 28527152 is about 305.5527091648.

The spelling of 28527152 in words is "twenty-eight million, five hundred twenty-seven thousand, one hundred fifty-two".