28524071 has 8 divisors (see below), whose sum is σ = 29994624. Its totient is φ = 27072760.

The previous prime is 28524059. The next prime is 28524103. The reversal of 28524071 is 17042582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28524071 - 2¹⁸ = 28261927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28524031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1721 + ... + 7746.

It is an arithmetic number, because the mean of its divisors is an integer number (3749328).

Almost surely, 2^28524071 is an apocalyptic number.

28524071 is a deficient number, since it is larger than the sum of its proper divisors (1470553).

28524071 is a wasteful number, since it uses less digits than its factorization.

28524071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9621.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 28524071 is about 5340.7931058973. The cubic root of 28524071 is about 305.5417086299.

The spelling of 28524071 in words is "twenty-eight million, five hundred twenty-four thousand, seventy-one".