1325101493 has 2 divisors, whose sum is σ = 1325101494. Its totient is φ = 1325101492.

The previous prime is 1325101487. The next prime is 1325101511. The reversal of 1325101493 is 3941015231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1229413969 + 95687524 = 35063^2 + 9782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325101493 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325101423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662550746 + 662550747.

It is an arithmetic number, because the mean of its divisors is an integer number (662550747).

Almost surely, 2^1325101493 is an apocalyptic number.

It is an amenable number.

1325101493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325101493 is an equidigital number, since it uses as much as digits as its factorization.

1325101493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1325101493 is about 36401.9435332785. The cubic root of 1325101493 is about 1098.3726606445.

The spelling of 1325101493 in words is "one billion, three hundred twenty-five million, one hundred one thousand, four hundred ninety-three".