2152401 has 8 divisors (see below), whose sum is σ = 2947584. Its totient is φ = 1396080.

The previous prime is 2152399. The next prime is 2152427. The reversal of 2152401 is 1042512.

2152401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2152401 - 2¹ = 2152399 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2152481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9585 + ... + 9806.

It is an arithmetic number, because the mean of its divisors is an integer number (368448).

2^2152401 is an apocalyptic number.

It is an amenable number.

2152401 is a deficient number, since it is larger than the sum of its proper divisors (795183).

2152401 is a wasteful number, since it uses less digits than its factorization.

2152401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19431.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2152401 is about 1467.1063356144. The cubic root of 2152401 is about 129.1143148696.

Adding to 2152401 its reverse (1042512), we get a palindrome (3194913).

The spelling of 2152401 in words is "two million, one hundred fifty-two thousand, four hundred one".