995221049 has 2 divisors, whose sum is σ = 995221050. Its totient is φ = 995221048.

The previous prime is 995221013. The next prime is 995221057. The reversal of 995221049 is 940122599.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990675625 + 4545424 = 31475^2 + 2132^2 .

It is a cyclic number.

It is not a de Polignac number, because 995221049 - 2¹² = 995216953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 995220997 and 995221015.

It is not a weakly prime, because it can be changed into another prime (995221949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497610524 + 497610525.

It is an arithmetic number, because the mean of its divisors is an integer number (497610525).

Almost surely, 2^995221049 is an apocalyptic number.

It is an amenable number.

995221049 is a deficient number, since it is larger than the sum of its proper divisors (1).

995221049 is an equidigital number, since it uses as much as digits as its factorization.

995221049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 995221049 is about 31547.1242587973. The cubic root of 995221049 is about 998.4044719776.

The spelling of 995221049 in words is "nine hundred ninety-five million, two hundred twenty-one thousand, forty-nine".