1325633479 has 2 divisors, whose sum is σ = 1325633480. Its totient is φ = 1325633478.

The previous prime is 1325633389. The next prime is 1325633489. The reversal of 1325633479 is 9743365231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1325633479 - 2⁹ = 1325632967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325633489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662816739 + 662816740.

It is an arithmetic number, because the mean of its divisors is an integer number (662816740).

Almost surely, 2^1325633479 is an apocalyptic number.

1325633479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325633479 is an equidigital number, since it uses as much as digits as its factorization.

1325633479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 43.

The square root of 1325633479 is about 36409.2499098787. The cubic root of 1325633479 is about 1098.5196281796.

The spelling of 1325633479 in words is "one billion, three hundred twenty-five million, six hundred thirty-three thousand, four hundred seventy-nine".