2148651 has 12 divisors (see below), whose sum is σ = 3123120. Its totient is φ = 1423440.

The previous prime is 2148649. The next prime is 2148659. The reversal of 2148651 is 1568412.

2148651 is a `hidden beast` number, since 2 + 1 + 4 + 8 + 651 = 666.

It is not a de Polignac number, because 2148651 - 2¹ = 2148649 is a prime.

It is a super-2 number, since 2×2148651² = 9233402239602, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2148659) 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, 970 + ... + 2288.

It is an arithmetic number, because the mean of its divisors is an integer number (260260).

2^2148651 is an apocalyptic number.

2148651 is a deficient number, since it is larger than the sum of its proper divisors (974469).

2148651 is a wasteful number, since it uses less digits than its factorization.

2148651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1503 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 2148651 is about 1465.8277525003. The cubic root of 2148651 is about 129.0392885558.

The spelling of 2148651 in words is "two million, one hundred forty-eight thousand, six hundred fifty-one".