995549 has 2 divisors, whose sum is σ = 995550. Its totient is φ = 995548.

The previous prime is 995539. The next prime is 995551. The reversal of 995549 is 945599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 573049 + 422500 = 757^2 + 650^2 .

It is a cyclic number.

It is not a de Polignac number, because 995549 - 2¹² = 991453 is a prime.

It is a super-2 number, since 2×995549² = 1982235622802, which contains 22 as substring.

Together with 995551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497774 + 497775.

It is an arithmetic number, because the mean of its divisors is an integer number (497775).

2⁹⁹⁵⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

995549 is a deficient number, since it is larger than the sum of its proper divisors (1).

995549 is an equidigital number, since it uses as much as digits as its factorization.

995549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 41.

The square root of 995549 is about 997.7720180482. The cubic root of 995549 is about 99.8514126607.

The spelling of 995549 in words is "nine hundred ninety-five thousand, five hundred forty-nine".