2014921 has 2 divisors, whose sum is σ = 2014922. Its totient is φ = 2014920.

The previous prime is 2014919. The next prime is 2014939. The reversal of 2014921 is 1294102.

It is the 580-th star number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1392400 + 622521 = 1180^2 + 789^2 .

It is a cyclic number.

It is not a de Polignac number, because 2014921 - 2¹ = 2014919 is a prime.

Together with 2014919, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2014951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007460 + 1007461.

It is an arithmetic number, because the mean of its divisors is an integer number (1007461).

2^2014921 is an apocalyptic number.

It is an amenable number.

2014921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2014921 is an equidigital number, since it uses as much as digits as its factorization.

2014921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2014921 is about 1419.4791298219. The cubic root of 2014921 is about 126.3046503914.

It can be divided in two parts, 201 and 4921, that multiplied together give a triangular number (989121 = T₁₄₀₆).

The spelling of 2014921 in words is "two million, fourteen thousand, nine hundred twenty-one".