2153474 has 8 divisors (see below), whose sum is σ = 3317628. Its totient is φ = 1047600.

The previous prime is 2153471. The next prime is 2153491. The reversal of 2153474 is 4743512.

It can be written as a sum of positive squares in 2 ways, for example, as 2122849 + 30625 = 1457^2 + 175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2153471) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 14477 + ... + 14624.

2^2153474 is an apocalyptic number.

2153474 is a deficient number, since it is larger than the sum of its proper divisors (1164154).

2153474 is a wasteful number, since it uses less digits than its factorization.

2153474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29140.

The product of its digits is 3360, while the sum is 26.

The square root of 2153474 is about 1467.4719758823. The cubic root of 2153474 is about 129.1357663626.

Adding to 2153474 its reverse (4743512), we get a palindrome (6896986).

The spelling of 2153474 in words is "two million, one hundred fifty-three thousand, four hundred seventy-four".