1045573523 has 4 divisors (see below), whose sum is σ = 1047313848. Its totient is φ = 1043833200.

The previous prime is 1045573483. The next prime is 1045573541. The reversal of 1045573523 is 3253755401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3253755401 = 13 ⋅250288877.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045573523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045572523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869261 + ... + 870462.

It is an arithmetic number, because the mean of its divisors is an integer number (261828462).

Almost surely, 2^1045573523 is an apocalyptic number.

1045573523 is a deficient number, since it is larger than the sum of its proper divisors (1740325).

1045573523 is an equidigital number, since it uses as much as digits as its factorization.

1045573523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740324.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 1045573523 is about 32335.3293318624. The cubic root of 1045573523 is about 1014.9660735908.

The spelling of 1045573523 in words is "one billion, forty-five million, five hundred seventy-three thousand, five hundred twenty-three".