1648517275 has 6 divisors (see below), whose sum is σ = 2044161452. Its totient is φ = 1318813800.

The previous prime is 1648517243. The next prime is 1648517281. The reversal of 1648517275 is 5727158461.

It is not a de Polignac number, because 1648517275 - 2⁵ = 1648517243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32970321 + ... + 32970370.

Almost surely, 2^1648517275 is an apocalyptic number.

1648517275 is a deficient number, since it is larger than the sum of its proper divisors (395644177).

1648517275 is an equidigital number, since it uses as much as digits as its factorization.

1648517275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65940701 (or 65940696 counting only the distinct ones).

The product of its digits is 470400, while the sum is 46.

The square root of 1648517275 is about 40601.9368380377. The cubic root of 1648517275 is about 1181.3116877539.

The spelling of 1648517275 in words is "one billion, six hundred forty-eight million, five hundred seventeen thousand, two hundred seventy-five".