1064630197 has 2 divisors, whose sum is σ = 1064630198. Its totient is φ = 1064630196.

The previous prime is 1064630191. The next prime is 1064630221. The reversal of 1064630197 is 7910364601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 842798961 + 221831236 = 29031^2 + 14894^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1064630197 is a prime.

It is a super-2 number, since 2×1064630197² = 2266874912728517618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064630191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532315098 + 532315099.

It is an arithmetic number, because the mean of its divisors is an integer number (532315099).

Almost surely, 2^1064630197 is an apocalyptic number.

It is an amenable number.

1064630197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064630197 is an equidigital number, since it uses as much as digits as its factorization.

1064630197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1064630197 is about 32628.6713949557. The cubic root of 1064630197 is about 1021.0952598130.

Adding to 1064630197 its reverse (7910364601), we get a palindrome (8974994798).

The spelling of 1064630197 in words is "one billion, sixty-four million, six hundred thirty thousand, one hundred ninety-seven".