1000354081 has 2 divisors, whose sum is σ = 1000354082. Its totient is φ = 1000354080.

The previous prime is 1000354057. The next prime is 1000354133. The reversal of 1000354081 is 1804530001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 875272225 + 125081856 = 29585^2 + 11184^2 .

It is an emirp because it is prime and its reverse (1804530001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000354081 - 2¹⁹ = 999829793 is a prime.

It is a super-2 number, since 2×1000354081² = 2001416574746709122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000354981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500177040 + 500177041.

It is an arithmetic number, because the mean of its divisors is an integer number (500177041).

Almost surely, 2^1000354081 is an apocalyptic number.

It is an amenable number.

1000354081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000354081 is an equidigital number, since it uses as much as digits as its factorization.

1000354081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1000354081 is about 31628.3746183708. The cubic root of 1000354081 is about 1000.1180130724.

Adding to 1000354081 its reverse (1804530001), we get a palindrome (2804884082).

The spelling of 1000354081 in words is "one billion, three hundred fifty-four thousand, eighty-one".