1485671441 has 4 divisors (see below), whose sum is σ = 1486327332. Its totient is φ = 1485015552.

The previous prime is 1485671437. The next prime is 1485671477. The reversal of 1485671441 is 1441765841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1441765841 = 73 ⋅19750217.

It can be written as a sum of positive squares in 2 ways, for example, as 823690000 + 661981441 = 28700^2 + 25729^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485671441 - 2² = 1485671437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1485671431) 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, 324536 + ... + 329081.

It is an arithmetic number, because the mean of its divisors is an integer number (371581833).

Almost surely, 2^1485671441 is an apocalyptic number.

It is an amenable number.

1485671441 is a deficient number, since it is larger than the sum of its proper divisors (655891).

1485671441 is an equidigital number, since it uses as much as digits as its factorization.

1485671441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655890.

The product of its digits is 107520, while the sum is 41.

The square root of 1485671441 is about 38544.4086866046. The cubic root of 1485671441 is about 1141.0576623666.

The spelling of 1485671441 in words is "one billion, four hundred eighty-five million, six hundred seventy-one thousand, four hundred forty-one".