1325235511 has 2 divisors, whose sum is σ = 1325235512. Its totient is φ = 1325235510.

The previous prime is 1325235491. The next prime is 1325235517. The reversal of 1325235511 is 1155325231.

It is a strong prime.

It is an emirp because it is prime and its reverse (1155325231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1325235511 - 2⁷ = 1325235383 is a prime.

It is a super-4 number, since 4×1325235511⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1325235511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325235517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662617755 + 662617756.

It is an arithmetic number, because the mean of its divisors is an integer number (662617756).

Almost surely, 2^1325235511 is an apocalyptic number.

1325235511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325235511 is an equidigital number, since it uses as much as digits as its factorization.

1325235511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4500, while the sum is 28.

The square root of 1325235511 is about 36403.7842950427. The cubic root of 1325235511 is about 1098.4096884359.

The spelling of 1325235511 in words is "one billion, three hundred twenty-five million, two hundred thirty-five thousand, five hundred eleven".