1325927797 has 2 divisors, whose sum is σ = 1325927798. Its totient is φ = 1325927796.

The previous prime is 1325927773. The next prime is 1325927839. The reversal of 1325927797 is 7977295231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1296432036 + 29495761 = 36006^2 + 5431^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325927797 - 2¹⁹ = 1325403509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325927737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662963898 + 662963899.

It is an arithmetic number, because the mean of its divisors is an integer number (662963899).

Almost surely, 2^1325927797 is an apocalyptic number.

It is an amenable number.

1325927797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325927797 is an equidigital number, since it uses as much as digits as its factorization.

1325927797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1666980, while the sum is 52.

The square root of 1325927797 is about 36413.2914881366. The cubic root of 1325927797 is about 1098.6009201758.

The spelling of 1325927797 in words is "one billion, three hundred twenty-five million, nine hundred twenty-seven thousand, seven hundred ninety-seven".