1325345953 has 2 divisors, whose sum is σ = 1325345954. Its totient is φ = 1325345952.

The previous prime is 1325345947. The next prime is 1325346041. The reversal of 1325345953 is 3595435231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1185562624 + 139783329 = 34432^2 + 11823^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325345953 - 2²⁵ = 1291791521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1325345053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662672976 + 662672977.

It is an arithmetic number, because the mean of its divisors is an integer number (662672977).

Almost surely, 2^1325345953 is an apocalyptic number.

It is an amenable number.

1325345953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325345953 is an equidigital number, since it uses as much as digits as its factorization.

1325345953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243000, while the sum is 40.

The square root of 1325345953 is about 36405.3011661763. The cubic root of 1325345953 is about 1098.4402005454.

The spelling of 1325345953 in words is "one billion, three hundred twenty-five million, three hundred forty-five thousand, nine hundred fifty-three".