1325445043 has 16 divisors (see below), whose sum is σ = 1469554240. Its totient is φ = 1187519616.

The previous prime is 1325444983. The next prime is 1325445061. The reversal of 1325445043 is 3405445231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325445043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1325444996 and 1325445014.

It is not an unprimeable number, because it can be changed into a prime (1325440043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208021 + ... + 214297.

It is an arithmetic number, because the mean of its divisors is an integer number (91847140).

Almost surely, 2^1325445043 is an apocalyptic number.

1325445043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1325445043 is a deficient number, since it is larger than the sum of its proper divisors (144109197).

1325445043 is a wasteful number, since it uses less digits than its factorization.

1325445043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6766.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1325445043 is about 36406.6620689126. The cubic root of 1325445043 is about 1098.4675749645.

The spelling of 1325445043 in words is "one billion, three hundred twenty-five million, four hundred forty-five thousand, forty-three".