1325858143 has 2 divisors, whose sum is σ = 1325858144. Its totient is φ = 1325858142.

The previous prime is 1325858129. The next prime is 1325858159. The reversal of 1325858143 is 3418585231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325858143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1325858096 and 1325858105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325858843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662929071 + 662929072.

It is an arithmetic number, because the mean of its divisors is an integer number (662929072).

Almost surely, 2^1325858143 is an apocalyptic number.

1325858143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325858143 is an equidigital number, since it uses as much as digits as its factorization.

1325858143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 40.

The square root of 1325858143 is about 36412.3350391045. The cubic root of 1325858143 is about 1098.5816825047.

The spelling of 1325858143 in words is "one billion, three hundred twenty-five million, eight hundred fifty-eight thousand, one hundred forty-three".