1325743511 has 8 divisors (see below), whose sum is σ = 1348790400. Its totient is φ = 1302715960.

The previous prime is 1325743493. The next prime is 1325743513. The reversal of 1325743511 is 1153475231.

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

It is a cyclic number.

It is not a de Polignac number, because 1325743511 - 2¹⁴ = 1325727127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325743513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234326 + ... + 239916.

It is an arithmetic number, because the mean of its divisors is an integer number (168598800).

Almost surely, 2^1325743511 is an apocalyptic number.

1325743511 is a deficient number, since it is larger than the sum of its proper divisors (23046889).

1325743511 is an equidigital number, since it uses as much as digits as its factorization.

1325743511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9669.

The product of its digits is 12600, while the sum is 32.

The square root of 1325743511 is about 36410.7609231117. The cubic root of 1325743511 is about 1098.5500209363.

The spelling of 1325743511 in words is "one billion, three hundred twenty-five million, seven hundred forty-three thousand, five hundred eleven".