2152427 has 2 divisors, whose sum is σ = 2152428. Its totient is φ = 2152426.

The previous prime is 2152399. The next prime is 2152429. The reversal of 2152427 is 7242512.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2152427 - 2¹⁰ = 2151403 is a prime.

Together with 2152429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2152429) 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 as a sum of consecutive naturals, namely, 1076213 + 1076214.

It is an arithmetic number, because the mean of its divisors is an integer number (1076214).

2^2152427 is an apocalyptic number.

2152427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152427 is an equidigital number, since it uses as much as digits as its factorization.

2152427 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2152427 is about 1467.1151965677. The cubic root of 2152427 is about 129.1148347477.

Adding to 2152427 its reverse (7242512), we get a palindrome (9394939).

The spelling of 2152427 in words is "two million, one hundred fifty-two thousand, four hundred twenty-seven".