1565000441 has 8 divisors (see below), whose sum is σ = 1590503040. Its totient is φ = 1539656272.

The previous prime is 1565000317. The next prime is 1565000453. The reversal of 1565000441 is 1440005651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1565000441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1565000441.

It is not an unprimeable number, because it can be changed into a prime (1565050441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19610 + ... + 59283.

It is an arithmetic number, because the mean of its divisors is an integer number (198812880).

Almost surely, 2^1565000441 is an apocalyptic number.

It is an amenable number.

1565000441 is a deficient number, since it is larger than the sum of its proper divisors (25502599).

1565000441 is an equidigital number, since it uses as much as digits as its factorization.

1565000441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79215.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1565000441 is about 39560.0864635051. The cubic root of 1565000441 is about 1161.0158661928.

The spelling of 1565000441 in words is "one billion, five hundred sixty-five million, four hundred forty-one", and thus it is an aban number.