1325347745 has 16 divisors (see below), whose sum is σ = 1660545792. Its totient is φ = 1013580480.

The previous prime is 1325347741. The next prime is 1325347757. The reversal of 1325347745 is 5477435231.

It is a happy number.

It is not a de Polignac number, because 1325347745 - 2² = 1325347741 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325347741) 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 15 ways as a sum of consecutive naturals, for example, 364004 + ... + 367626.

It is an arithmetic number, because the mean of its divisors is an integer number (103784112).

Almost surely, 2^1325347745 is an apocalyptic number.

It is an amenable number.

1325347745 is a deficient number, since it is larger than the sum of its proper divisors (335198047).

1325347745 is a wasteful number, since it uses less digits than its factorization.

1325347745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6832.

The product of its digits is 352800, while the sum is 41.

The square root of 1325347745 is about 36405.3257779683. The cubic root of 1325347745 is about 1098.4406956121.

The spelling of 1325347745 in words is "one billion, three hundred twenty-five million, three hundred forty-seven thousand, seven hundred forty-five".