1325501839 has 2 divisors, whose sum is σ = 1325501840. Its totient is φ = 1325501838.

The previous prime is 1325501797. The next prime is 1325501843. The reversal of 1325501839 is 9381055231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1325501839 - 2¹³ = 1325493647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1325501798 and 1325501807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325501899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662750919 + 662750920.

It is an arithmetic number, because the mean of its divisors is an integer number (662750920).

Almost surely, 2^1325501839 is an apocalyptic number.

1325501839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325501839 is an equidigital number, since it uses as much as digits as its factorization.

1325501839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 1325501839 is about 36407.4420826292. The cubic root of 1325501839 is about 1098.4832647068.

The spelling of 1325501839 in words is "one billion, three hundred twenty-five million, five hundred one thousand, eight hundred thirty-nine".