2152472 has 72 divisors (see below), whose sum is σ = 5249700. Its totient is φ = 822528.

The previous prime is 2152457. The next prime is 2152477. The reversal of 2152472 is 2742512.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152477) 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 17 ways as a sum of consecutive naturals, for example, 113279 + ... + 113297.

2^2152472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2152472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2624850).

2152472 is an abundant number, since it is smaller than the sum of its proper divisors (3097228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2152472 is a wasteful number, since it uses less digits than its factorization.

2152472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 45 counting only the distinct ones).

The product of its digits is 1120, while the sum is 23.

The square root of 2152472 is about 1467.1305327066. The cubic root of 2152472 is about 129.1157345269.

Adding to 2152472 its reverse (2742512), we get a palindrome (4894984).

The spelling of 2152472 in words is "two million, one hundred fifty-two thousand, four hundred seventy-two".