2140552 has 8 divisors (see below), whose sum is σ = 4013550. Its totient is φ = 1070272.

The previous prime is 2140549. The next prime is 2140573. The reversal of 2140552 is 2550412.

It can be written as a sum of positive squares in only one way, i.e., 1522756 + 617796 = 1234^2 + 786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133777 + ... + 133792.

2^2140552 is an apocalyptic number.

It is an amenable number.

2140552 is a deficient number, since it is larger than the sum of its proper divisors (1872998).

2140552 is a wasteful number, since it uses less digits than its factorization.

2140552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267575 (or 267571 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2140552 is about 1463.0625413837. The cubic root of 2140552 is about 128.8769533581.

Adding to 2140552 its reverse (2550412), we get a palindrome (4690964).

The spelling of 2140552 in words is "two million, one hundred forty thousand, five hundred fifty-two".