1325541 has 32 divisors (see below), whose sum is σ = 2211840. Its totient is φ = 688896.

The previous prime is 1325521. The next prime is 1325543. The reversal of 1325541 is 1455231.

It is not a de Polignac number, because 1325541 - 2⁵ = 1325509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325543) 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 31 ways as a sum of consecutive naturals, for example, 16740 + ... + 16818.

It is an arithmetic number, because the mean of its divisors is an integer number (69120).

2^1325541 is an apocalyptic number.

It is an amenable number.

1325541 is a deficient number, since it is larger than the sum of its proper divisors (886299).

1325541 is a wasteful number, since it uses less digits than its factorization.

1325541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153.

The product of its digits is 600, while the sum is 21.

The square root of 1325541 is about 1151.3214147231. The cubic root of 1325541 is about 109.8494082567.

The spelling of 1325541 in words is "one million, three hundred twenty-five thousand, five hundred forty-one".