1481475487 has 4 divisors (see below), whose sum is σ = 1482397840. Its totient is φ = 1480553136.

The previous prime is 1481475481. The next prime is 1481475491. The reversal of 1481475487 is 7845741841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1481475487 - 2²⁷ = 1347257759 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 1481475487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481475481) 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, 458763 + ... + 461980.

It is an arithmetic number, because the mean of its divisors is an integer number (370599460).

Almost surely, 2^1481475487 is an apocalyptic number.

1481475487 is a deficient number, since it is larger than the sum of its proper divisors (922353).

1481475487 is an equidigital number, since it uses as much as digits as its factorization.

1481475487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922352.

The product of its digits is 1003520, while the sum is 49.

The square root of 1481475487 is about 38489.9400752976. The cubic root of 1481475487 is about 1139.9824268862.

The spelling of 1481475487 in words is "one billion, four hundred eighty-one million, four hundred seventy-five thousand, four hundred eighty-seven".