1648275 has 12 divisors (see below), whose sum is σ = 2725272. Its totient is φ = 879040.

The previous prime is 1648261. The next prime is 1648277. The reversal of 1648275 is 5728461.

It is not a de Polignac number, because 1648275 - 2⁴ = 1648259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1648277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10914 + ... + 11063.

It is an arithmetic number, because the mean of its divisors is an integer number (227106).

2^1648275 is an apocalyptic number.

1648275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1648275 is a deficient number, since it is larger than the sum of its proper divisors (1076997).

1648275 is a wasteful number, since it uses less digits than its factorization.

1648275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21990 (or 21985 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 1648275 is about 1283.8516269414. The cubic root of 1648275 is about 118.1253814271.

The spelling of 1648275 in words is "one million, six hundred forty-eight thousand, two hundred seventy-five".