1326266625 has 32 divisors (see below), whose sum is σ = 2228398848. Its totient is φ = 700454400.

The previous prime is 1326266603. The next prime is 1326266629. The reversal of 1326266625 is 5266626231.

It is not a de Polignac number, because 1326266625 - 2⁶ = 1326266561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1326266629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21457 + ... + 55793.

It is an arithmetic number, because the mean of its divisors is an integer number (69637464).

Almost surely, 2^1326266625 is an apocalyptic number.

1326266625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1326266625 is a deficient number, since it is larger than the sum of its proper divisors (902132223).

1326266625 is a wasteful number, since it uses less digits than its factorization.

1326266625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34458 (or 34448 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 1326266625 is about 36417.9437228408. The cubic root of 1326266625 is about 1098.6944911457.

The spelling of 1326266625 in words is "one billion, three hundred twenty-six million, two hundred sixty-six thousand, six hundred twenty-five".