2152407 has 8 divisors (see below), whose sum is σ = 2891376. Its totient is φ = 1424192.

The previous prime is 2152399. The next prime is 2152427. The reversal of 2152407 is 7042512.

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

It is a cyclic number.

It is not a de Polignac number, because 2152407 - 2³ = 2152399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152427) 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, 2208 + ... + 3029.

It is an arithmetic number, because the mean of its divisors is an integer number (361422).

2^2152407 is an apocalyptic number.

2152407 is a deficient number, since it is larger than the sum of its proper divisors (738969).

2152407 is a wasteful number, since it uses less digits than its factorization.

2152407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5377.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2152407 is about 1467.1083804546. The cubic root of 2152407 is about 129.1144348418.

Adding to 2152407 its reverse (7042512), we get a palindrome (9194919).

The spelling of 2152407 in words is "two million, one hundred fifty-two thousand, four hundred seven".