1325543827 has 2 divisors, whose sum is σ = 1325543828. Its totient is φ = 1325543826.

The previous prime is 1325543809. The next prime is 1325543851. The reversal of 1325543827 is 7283455231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1325543827 - 2¹⁹ = 1325019539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1325543827.

It is not a weakly prime, because it can be changed into another prime (1325523827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662771913 + 662771914.

It is an arithmetic number, because the mean of its divisors is an integer number (662771914).

Almost surely, 2^1325543827 is an apocalyptic number.

1325543827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325543827 is an equidigital number, since it uses as much as digits as its factorization.

1325543827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 40.

The square root of 1325543827 is about 36408.0187184087. The cubic root of 1325543827 is about 1098.4948634907.

The spelling of 1325543827 in words is "one billion, three hundred twenty-five million, five hundred forty-three thousand, eight hundred twenty-seven".