2153546 has 4 divisors (see below), whose sum is σ = 3230322. Its totient is φ = 1076772.

The previous prime is 2153531. The next prime is 2153551. The reversal of 2153546 is 6453512.

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

It can be written as a sum of positive squares in only one way, i.e., 2002225 + 151321 = 1415^2 + 389^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538385 + ... + 538388.

2^2153546 is an apocalyptic number.

2153546 is a deficient number, since it is larger than the sum of its proper divisors (1076776).

2153546 is a wasteful number, since it uses less digits than its factorization.

2153546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076775.

The product of its digits is 3600, while the sum is 26.

The square root of 2153546 is about 1467.4965076619. The cubic root of 2153546 is about 129.1372055366.

The spelling of 2153546 in words is "two million, one hundred fifty-three thousand, five hundred forty-six".