1325288629 has 4 divisors (see below), whose sum is σ = 1514615584. Its totient is φ = 1135961676.

The previous prime is 1325288581. The next prime is 1325288651. The reversal of 1325288629 is 9268825231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9268825231 = 3373 ⋅2747947.

It is a cyclic number.

It is not a de Polignac number, because 1325288629 - 2¹⁵ = 1325255861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325288659) 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 in 3 ways as a sum of consecutive naturals, for example, 94663467 + ... + 94663480.

It is an arithmetic number, because the mean of its divisors is an integer number (378653896).

Almost surely, 2^1325288629 is an apocalyptic number.

It is an amenable number.

1325288629 is a deficient number, since it is larger than the sum of its proper divisors (189326955).

1325288629 is an equidigital number, since it uses as much as digits as its factorization.

1325288629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189326954.

The product of its digits is 414720, while the sum is 46.

The square root of 1325288629 is about 36404.5138547406. The cubic root of 1325288629 is about 1098.4243637007.

The spelling of 1325288629 in words is "one billion, three hundred twenty-five million, two hundred eighty-eight thousand, six hundred twenty-nine".