2152437 has 8 divisors (see below), whose sum is σ = 3279936. Its totient is φ = 1229952.

The previous prime is 2152433. The next prime is 2152457. The reversal of 2152437 is 7342512.

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

It is not a de Polignac number, because 2152437 - 2² = 2152433 is a prime.

2152437 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51228 + ... + 51269.

It is an arithmetic number, because the mean of its divisors is an integer number (409992).

2^2152437 is an apocalyptic number.

It is an amenable number.

2152437 is a deficient number, since it is larger than the sum of its proper divisors (1127499).

2152437 is a wasteful number, since it uses less digits than its factorization.

2152437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102507.

The product of its digits is 1680, while the sum is 24.

The square root of 2152437 is about 1467.1186046125. The cubic root of 2152437 is about 129.1150346997.

Adding to 2152437 its reverse (7342512), we get a palindrome (9494949).

The spelling of 2152437 in words is "two million, one hundred fifty-two thousand, four hundred thirty-seven".