15424001 has 2 divisors, whose sum is σ = 15424002. Its totient is φ = 15424000.

The previous prime is 15423997. The next prime is 15424021. The reversal of 15424001 is 10042451.

15424001 is nontrivially palindromic in base 12.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14622976 + 801025 = 3824^2 + 895^2 .

It is a cyclic number.

It is not a de Polignac number, because 15424001 - 2² = 15423997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (15424021) 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 as a sum of consecutive naturals, namely, 7712000 + 7712001.

It is an arithmetic number, because the mean of its divisors is an integer number (7712001).

Almost surely, 2^15424001 is an apocalyptic number.

It is an amenable number.

15424001 is a deficient number, since it is larger than the sum of its proper divisors (1).

15424001 is an equidigital number, since it uses as much as digits as its factorization.

15424001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 15424001 is about 3927.3401940754. The cubic root of 15424001 is about 248.9233755078.

Adding to 15424001 its reverse (10042451), we get a palindrome (25466452).

The spelling of 15424001 in words is "fifteen million, four hundred twenty-four thousand, one".