1325849489 has 2 divisors, whose sum is σ = 1325849490. Its totient is φ = 1325849488.

The previous prime is 1325849479. The next prime is 1325849501. The reversal of 1325849489 is 9849485231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1082739025 + 243110464 = 32905^2 + 15592^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325849489 - 2¹² = 1325845393 is a prime.

It is a super-2 number, since 2×1325849489² = 3515753734963122242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1325849489.

It is not a weakly prime, because it can be changed into another prime (1325849429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662924744 + 662924745.

It is an arithmetic number, because the mean of its divisors is an integer number (662924745).

Almost surely, 2^1325849489 is an apocalyptic number.

It is an amenable number.

1325849489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325849489 is an equidigital number, since it uses as much as digits as its factorization.

1325849489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 53.

The square root of 1325849489 is about 36412.2162055539. The cubic root of 1325849489 is about 1098.5792923178.

The spelling of 1325849489 in words is "one billion, three hundred twenty-five million, eight hundred forty-nine thousand, four hundred eighty-nine".