1053645523 has 8 divisors (see below), whose sum is σ = 1205657600. Its totient is φ = 902006280.

The previous prime is 1053645517. The next prime is 1053645539. The reversal of 1053645523 is 3255463501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1053645523 is a prime.

It is a super-2 number, since 2×1053645523² = 2220337776275887058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053645553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87123 + ... + 98476.

It is an arithmetic number, because the mean of its divisors is an integer number (150707200).

Almost surely, 2^1053645523 is an apocalyptic number.

1053645523 is a deficient number, since it is larger than the sum of its proper divisors (152012077).

1053645523 is an equidigital number, since it uses as much as digits as its factorization.

1053645523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186417.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 1053645523 is about 32459.9063923481. The cubic root of 1053645523 is about 1017.5712826484.

The spelling of 1053645523 in words is "one billion, fifty-three million, six hundred forty-five thousand, five hundred twenty-three".