2143528 has 8 divisors (see below), whose sum is σ = 4019130. Its totient is φ = 1071760.

The previous prime is 2143517. The next prime is 2143541. The reversal of 2143528 is 8253412.

It can be written as a sum of positive squares in only one way, i.e., 2137444 + 6084 = 1462^2 + 78^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133963 + ... + 133978.

2^2143528 is an apocalyptic number.

It is an amenable number.

2143528 is a deficient number, since it is larger than the sum of its proper divisors (1875602).

2143528 is a wasteful number, since it uses less digits than its factorization.

2143528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267947 (or 267943 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 2143528 is about 1464.0792328286. The cubic root of 2143528 is about 128.9366513872.

The spelling of 2143528 in words is "two million, one hundred forty-three thousand, five hundred twenty-eight".