1324475553 has 4 divisors (see below), whose sum is σ = 1765967408. Its totient is φ = 882983700.

The previous prime is 1324475549. The next prime is 1324475563. The reversal of 1324475553 is 3555744231.

1324475553 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1324475553 - 2² = 1324475549 is a prime.

It is a super-4 number, since 4×1324475553⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1324475513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220745923 + ... + 220745928.

It is an arithmetic number, because the mean of its divisors is an integer number (441491852).

Almost surely, 2^1324475553 is an apocalyptic number.

It is an amenable number.

1324475553 is a deficient number, since it is larger than the sum of its proper divisors (441491855).

1324475553 is an equidigital number, since it uses as much as digits as its factorization.

1324475553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441491854.

The product of its digits is 252000, while the sum is 39.

The square root of 1324475553 is about 36393.3448998577. The cubic root of 1324475553 is about 1098.1996868083.

The spelling of 1324475553 in words is "one billion, three hundred twenty-four million, four hundred seventy-five thousand, five hundred fifty-three".