1325543 has 2 divisors, whose sum is σ = 1325544. Its totient is φ = 1325542.

The previous prime is 1325521. The next prime is 1325557. The reversal of 1325543 is 3455231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1325543 - 2⁸ = 1325287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662771 + 662772.

It is an arithmetic number, because the mean of its divisors is an integer number (662772).

2^1325543 is an apocalyptic number.

1325543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325543 is an equidigital number, since it uses as much as digits as its factorization.

1325543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 23.

The square root of 1325543 is about 1151.3222832900. The cubic root of 1325543 is about 109.8494635042.

It can be divided in two parts, 13255 and 43, that multiplied together give a palindrome (569965).

The spelling of 1325543 in words is "one million, three hundred twenty-five thousand, five hundred forty-three".