1000454197 has 2 divisors, whose sum is σ = 1000454198. Its totient is φ = 1000454196.

The previous prime is 1000454099. The next prime is 1000454237. The reversal of 1000454197 is 7914540001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 825183076 + 175271121 = 28726^2 + 13239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000454197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000454797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500227098 + 500227099.

It is an arithmetic number, because the mean of its divisors is an integer number (500227099).

Almost surely, 2^1000454197 is an apocalyptic number.

It is an amenable number.

1000454197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000454197 is an equidigital number, since it uses as much as digits as its factorization.

1000454197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1000454197 is about 31629.9572715488. The cubic root of 1000454197 is about 1000.1513760841.

Adding to 1000454197 its reverse (7914540001), we get a palindrome (8914994198).

The spelling of 1000454197 in words is "one billion, four hundred fifty-four thousand, one hundred ninety-seven".