1648151 has 4 divisors (see below), whose sum is σ = 1650792. Its totient is φ = 1645512.

The previous prime is 1648081. The next prime is 1648181. The reversal of 1648151 is 1518461.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1648151 - 2¹⁰ = 1647127 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 1648151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648181) 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, 200 + ... + 1826.

It is an arithmetic number, because the mean of its divisors is an integer number (412698).

2^1648151 is an apocalyptic number.

1648151 is a deficient number, since it is larger than the sum of its proper divisors (2641).

1648151 is a wasteful number, since it uses less digits than its factorization.

1648151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640.

The product of its digits is 960, while the sum is 26.

The square root of 1648151 is about 1283.8033338483. The cubic root of 1648151 is about 118.1224191555.

The spelling of 1648151 in words is "one million, six hundred forty-eight thousand, one hundred fifty-one".