1487045273 has 4 divisors (see below), whose sum is σ = 1699480320. Its totient is φ = 1274610228.

The previous prime is 1487045269. The next prime is 1487045297. The reversal of 1487045273 is 3725407841.

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 1487045273 - 2² = 1487045269 is a prime.

It is a super-2 number, since 2×1487045273² = 4422607287903289058, 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 1487045273.

It is not an unprimeable number, because it can be changed into a prime (1487065273) 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, 106217513 + ... + 106217526.

It is an arithmetic number, because the mean of its divisors is an integer number (424870080).

Almost surely, 2^1487045273 is an apocalyptic number.

It is an amenable number.

1487045273 is a deficient number, since it is larger than the sum of its proper divisors (212435047).

1487045273 is an equidigital number, since it uses as much as digits as its factorization.

1487045273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212435046.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 1487045273 is about 38562.2259860605. The cubic root of 1487045273 is about 1141.4092741095.

The spelling of 1487045273 in words is "one billion, four hundred eighty-seven million, forty-five thousand, two hundred seventy-three".