1000849573 has 2 divisors, whose sum is σ = 1000849574. Its totient is φ = 1000849572.

The previous prime is 1000849571. The next prime is 1000849613. The reversal of 1000849573 is 3759480001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 879893569 + 120956004 = 29663^2 + 10998^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000849573 - 2¹ = 1000849571 is a prime.

It is a super-4 number, since 4×1000849573⁴ (a number of 37 digits) contains 4444 as substring.

Together with 1000849571, 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 (1000849571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500424786 + 500424787.

It is an arithmetic number, because the mean of its divisors is an integer number (500424787).

Almost surely, 2^1000849573 is an apocalyptic number.

It is an amenable number.

1000849573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000849573 is an equidigital number, since it uses as much as digits as its factorization.

1000849573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1000849573 is about 31636.2066784246. The cubic root of 1000849573 is about 1000.2831108407.

The spelling of 1000849573 in words is "one billion, eight hundred forty-nine thousand, five hundred seventy-three".