2148461 has 8 divisors (see below), whose sum is σ = 2502144. Its totient is φ = 1806480.

The previous prime is 2148457. The next prime is 2148467. The reversal of 2148461 is 1648412.

2148461 = T₁₄₆ + T₁₄₇ + ... + T₂₅₁.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2148461 - 2² = 2148457 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 2148461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525 + ... + 3266.

It is an arithmetic number, because the mean of its divisors is an integer number (312768).

2^2148461 is an apocalyptic number.

It is an amenable number.

2148461 is a deficient number, since it is larger than the sum of its proper divisors (353683).

2148461 is an equidigital number, since it uses as much as digits as its factorization.

2148461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851.

The product of its digits is 1536, while the sum is 26.

The square root of 2148461 is about 1465.7629412698. The cubic root of 2148461 is about 129.0354848998.

The spelling of 2148461 in words is "two million, one hundred forty-eight thousand, four hundred sixty-one".