1264995325 has 12 divisors (see below), whose sum is σ = 1711194048. Its totient is φ = 919996400.

The previous prime is 1264995317. The next prime is 1264995349. The reversal of 1264995325 is 5235994621.

It is not a de Polignac number, because 1264995325 - 2³ = 1264995317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2299717 + ... + 2300266.

It is an arithmetic number, because the mean of its divisors is an integer number (142599504).

Almost surely, 2^1264995325 is an apocalyptic number.

It is an amenable number.

1264995325 is a deficient number, since it is larger than the sum of its proper divisors (446198723).

1264995325 is a wasteful number, since it uses less digits than its factorization.

1264995325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600004 (or 4599999 counting only the distinct ones).

The product of its digits is 583200, while the sum is 46.

The square root of 1264995325 is about 35566.7727661648. The cubic root of 1264995325 is about 1081.5077606150.

The spelling of 1264995325 in words is "one billion, two hundred sixty-four million, nine hundred ninety-five thousand, three hundred twenty-five".