995543 has 8 divisors (see below), whose sum is σ = 1057920. Its totient is φ = 934200.

The previous prime is 995539. The next prime is 995549. The reversal of 995543 is 345599.

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 995543 - 2² = 995539 is a prime.

It is a super-2 number, since 2×995543² = 1982211729698, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995549) 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, 2696 + ... + 3042.

It is an arithmetic number, because the mean of its divisors is an integer number (132240).

2⁹⁹⁵⁵⁴³ is an apocalyptic number.

995543 is a deficient number, since it is larger than the sum of its proper divisors (62377).

995543 is a wasteful number, since it uses less digits than its factorization.

995543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517.

The product of its digits is 24300, while the sum is 35.

The square root of 995543 is about 997.7690113448. The cubic root of 995543 is about 99.8512120646.

The spelling of 995543 in words is "nine hundred ninety-five thousand, five hundred forty-three".