1325885541 has 4 divisors (see below), whose sum is σ = 1767847392. Its totient is φ = 883923692.

The previous prime is 1325885537. The next prime is 1325885543. The reversal of 1325885541 is 1455885231.

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.

It is a cyclic number.

It is not a de Polignac number, because 1325885541 - 2² = 1325885537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1325885493 and 1325885502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325885543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220980921 + ... + 220980926.

It is an arithmetic number, because the mean of its divisors is an integer number (441961848).

Almost surely, 2^1325885541 is an apocalyptic number.

It is an amenable number.

1325885541 is a deficient number, since it is larger than the sum of its proper divisors (441961851).

1325885541 is an equidigital number, since it uses as much as digits as its factorization.

1325885541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441961850.

The product of its digits is 192000, while the sum is 42.

The square root of 1325885541 is about 36412.7112558238. The cubic root of 1325885541 is about 1098.5892496123.

The spelling of 1325885541 in words is "one billion, three hundred twenty-five million, eight hundred eighty-five thousand, five hundred forty-one".