1073521383 has 16 divisors (see below), whose sum is σ = 1564087296. Its totient is φ = 649535040.

The previous prime is 1073521373. The next prime is 1073521399. The reversal of 1073521383 is 3831253701.

It is a de Polignac number, because none of the positive numbers 2^k-1073521383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073521303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6766 + ... + 46827.

It is an arithmetic number, because the mean of its divisors is an integer number (97755456).

Almost surely, 2^1073521383 is an apocalyptic number.

1073521383 is a deficient number, since it is larger than the sum of its proper divisors (490565913).

1073521383 is a wasteful number, since it uses less digits than its factorization.

1073521383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54214.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1073521383 is about 32764.6361646211. The cubic root of 1073521383 is about 1023.9299188972.

The spelling of 1073521383 in words is "one billion, seventy-three million, five hundred twenty-one thousand, three hundred eighty-three".