1325641579 has 2 divisors, whose sum is σ = 1325641580. Its totient is φ = 1325641578.

The previous prime is 1325641573. The next prime is 1325641613. The reversal of 1325641579 is 9751465231.

It is a weak prime.

It is an emirp because it is prime and its reverse (9751465231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1325641579 - 2¹⁷ = 1325510507 is a prime.

It is a super-2 number, since 2×1325641579² = 3514651191947226482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1325641573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662820789 + 662820790.

It is an arithmetic number, because the mean of its divisors is an integer number (662820790).

Almost surely, 2^1325641579 is an apocalyptic number.

1325641579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325641579 is an equidigital number, since it uses as much as digits as its factorization.

1325641579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 43.

The square root of 1325641579 is about 36409.3611451780. The cubic root of 1325641579 is about 1098.5218655981.

The spelling of 1325641579 in words is "one billion, three hundred twenty-five million, six hundred forty-one thousand, five hundred seventy-nine".