1325242427 has 2 divisors, whose sum is σ = 1325242428. Its totient is φ = 1325242426.

The previous prime is 1325242423. The next prime is 1325242433. The reversal of 1325242427 is 7242425231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1325242427 - 2² = 1325242423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1325242393 and 1325242402.

It is not a weakly prime, because it can be changed into another prime (1325242423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662621213 + 662621214.

It is an arithmetic number, because the mean of its divisors is an integer number (662621214).

Almost surely, 2^1325242427 is an apocalyptic number.

1325242427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325242427 is an equidigital number, since it uses as much as digits as its factorization.

1325242427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 32.

The square root of 1325242427 is about 36403.8792850432. The cubic root of 1325242427 is about 1098.4115991876.

Adding to 1325242427 its reverse (7242425231), we get a palindrome (8567667658).

The spelling of 1325242427 in words is "one billion, three hundred twenty-five million, two hundred forty-two thousand, four hundred twenty-seven".