1073535861 has 16 divisors (see below), whose sum is σ = 1450391040. Its totient is φ = 706206960.

The previous prime is 1073535847. The next prime is 1073535863. The reversal of 1073535861 is 1685353701.

It is a happy number.

It is not a de Polignac number, because 1073535861 - 2⁷ = 1073535733 is a prime.

It is a super-2 number, since 2×1073535861² = 2304958489706022642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073535863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251616 + ... + 255846.

It is an arithmetic number, because the mean of its divisors is an integer number (90649440).

Almost surely, 2^1073535861 is an apocalyptic number.

It is an amenable number.

1073535861 is a deficient number, since it is larger than the sum of its proper divisors (376855179).

1073535861 is a wasteful number, since it uses less digits than its factorization.

1073535861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 1073535861 is about 32764.8571033051. The cubic root of 1073535861 is about 1023.9345219388.

The spelling of 1073535861 in words is "one billion, seventy-three million, five hundred thirty-five thousand, eight hundred sixty-one".