2157014 has 4 divisors (see below), whose sum is σ = 3235524. Its totient is φ = 1078506.

The previous prime is 2157007. The next prime is 2157017. The reversal of 2157014 is 4107512.

2157014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539252 + ... + 539255.

It is an arithmetic number, because the mean of its divisors is an integer number (808881).

2^2157014 is an apocalyptic number.

2157014 is a deficient number, since it is larger than the sum of its proper divisors (1078510).

2157014 is a wasteful number, since it uses less digits than its factorization.

2157014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078509.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 2157014 is about 1468.6776365152. The cubic root of 2157014 is about 129.2064878031.

It can be divided in two parts, 2 and 157014, that multiplied together give a triangular number (314028 = T₇₉₂).

The spelling of 2157014 in words is "two million, one hundred fifty-seven thousand, fourteen".