1061633173 has 2 divisors, whose sum is σ = 1061633174. Its totient is φ = 1061633172.

The previous prime is 1061633171. The next prime is 1061633179. The reversal of 1061633173 is 3713361601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1039288644 + 22344529 = 32238^2 + 4727^2 .

It is an emirp because it is prime and its reverse (3713361601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1061633173 - 2¹ = 1061633171 is a prime.

It is a super-2 number, since 2×1061633173² = 2254129988028095858, which contains 22 as substring.

Together with 1061633171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061633171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530816586 + 530816587.

It is an arithmetic number, because the mean of its divisors is an integer number (530816587).

Almost surely, 2^1061633173 is an apocalyptic number.

It is an amenable number.

1061633173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061633173 is an equidigital number, since it uses as much as digits as its factorization.

1061633173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 1061633173 is about 32582.7127937500. The cubic root of 1061633173 is about 1020.1362028165.

Adding to 1061633173 its reverse (3713361601), we get a palindrome (4774994774).

The spelling of 1061633173 in words is "one billion, sixty-one million, six hundred thirty-three thousand, one hundred seventy-three".