1485395481 has 4 divisors (see below), whose sum is σ = 1980527312. Its totient is φ = 990263652.

The previous prime is 1485395477. The next prime is 1485395489. The reversal of 1485395481 is 1845935841.

It is a happy number.

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 not a de Polignac number, because 1485395481 - 2² = 1485395477 is a prime.

It is a super-2 number, since 2×1485395481² = 4412799469950442722, which contains 22 as substring.

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 1485395481.

It is not an unprimeable number, because it can be changed into a prime (1485395489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247565911 + ... + 247565916.

It is an arithmetic number, because the mean of its divisors is an integer number (495131828).

Almost surely, 2^1485395481 is an apocalyptic number.

It is an amenable number.

1485395481 is a deficient number, since it is larger than the sum of its proper divisors (495131831).

1485395481 is an equidigital number, since it uses as much as digits as its factorization.

1485395481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495131830.

The product of its digits is 691200, while the sum is 48.

The square root of 1485395481 is about 38540.8287534142. The cubic root of 1485395481 is about 1140.9870083933.

The spelling of 1485395481 in words is "one billion, four hundred eighty-five million, three hundred ninety-five thousand, four hundred eighty-one".