1325707213 has 2 divisors, whose sum is σ = 1325707214. Its totient is φ = 1325707212.

The previous prime is 1325707193. The next prime is 1325707217. The reversal of 1325707213 is 3127075231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1219266724 + 106440489 = 34918^2 + 10317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325707213 is a prime.

It is a super-2 number, since 2×1325707213² = 3514999229200454738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325707217) 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 as a sum of consecutive naturals, namely, 662853606 + 662853607.

It is an arithmetic number, because the mean of its divisors is an integer number (662853607).

Almost surely, 2^1325707213 is an apocalyptic number.

It is an amenable number.

1325707213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325707213 is an equidigital number, since it uses as much as digits as its factorization.

1325707213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 1325707213 is about 36410.2624681559. The cubic root of 1325707213 is about 1098.5399949818.

The spelling of 1325707213 in words is "one billion, three hundred twenty-five million, seven hundred seven thousand, two hundred thirteen".