28543495 has 8 divisors (see below), whose sum is σ = 34282080. Its totient is φ = 22814880.

The previous prime is 28543481. The next prime is 28543513. The reversal of 28543495 is 59434582.

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

It is not a de Polignac number, because 28543495 - 2⁷ = 28543367 is a prime.

It is a super-2 number, since 2×28543495² = 1629462213630050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7350 + ... + 10540.

It is an arithmetic number, because the mean of its divisors is an integer number (4285260).

Almost surely, 2^28543495 is an apocalyptic number.

28543495 is a deficient number, since it is larger than the sum of its proper divisors (5738585).

28543495 is a wasteful number, since it uses less digits than its factorization.

28543495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985.

The product of its digits is 172800, while the sum is 40.

The square root of 28543495 is about 5342.6112529362. The cubic root of 28543495 is about 305.6110476747.

The spelling of 28543495 in words is "twenty-eight million, five hundred forty-three thousand, four hundred ninety-five".