1325395121 has 2 divisors, whose sum is σ = 1325395122. Its totient is φ = 1325395120.

The previous prime is 1325395037. The next prime is 1325395153. The reversal of 1325395121 is 1215935231.

It is an a-pointer prime, because the next prime (1325395153) can be obtained adding 1325395121 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1091641600 + 233753521 = 33040^2 + 15289^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325395121 - 2²⁶ = 1258286257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662697560 + 662697561.

It is an arithmetic number, because the mean of its divisors is an integer number (662697561).

Almost surely, 2^1325395121 is an apocalyptic number.

It is an amenable number.

1325395121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325395121 is an equidigital number, since it uses as much as digits as its factorization.

1325395121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 32.

The square root of 1325395121 is about 36405.9764461826. The cubic root of 1325395121 is about 1098.4537837762.

It can be divided in two parts, 1325 and 395121, that multiplied together give a palindrome (523535325).

The spelling of 1325395121 in words is "one billion, three hundred twenty-five million, three hundred ninety-five thousand, one hundred twenty-one".