1325553 has 8 divisors (see below), whose sum is σ = 1797600. Its totient is φ = 868608.

The previous prime is 1325543. The next prime is 1325557. The reversal of 1325553 is 3555231.

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

It is not a de Polignac number, because 1325553 - 2⁵ = 1325521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1325557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3568 + ... + 3921.

It is an arithmetic number, because the mean of its divisors is an integer number (224700).

2^1325553 is an apocalyptic number.

It is an amenable number.

1325553 is a deficient number, since it is larger than the sum of its proper divisors (472047).

1325553 is an equidigital number, since it uses as much as digits as its factorization.

1325553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7551.

The product of its digits is 2250, while the sum is 24.

The square root of 1325553 is about 1151.3266261144. The cubic root of 1325553 is about 109.8497397412.

The spelling of 1325553 in words is "one million, three hundred twenty-five thousand, five hundred fifty-three".