14521001 has 4 divisors (see below), whose sum is σ = 15841104. Its totient is φ = 13200900.

The previous prime is 14520953. The next prime is 14521007. The reversal of 14521001 is 10012541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14521001 - 2¹⁴ = 14504617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14521007) 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 3 ways as a sum of consecutive naturals, for example, 660035 + ... + 660056.

It is an arithmetic number, because the mean of its divisors is an integer number (3960276).

Almost surely, 2^14521001 is an apocalyptic number.

14521001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14521001 is a deficient number, since it is larger than the sum of its proper divisors (1320103).

14521001 is a wasteful number, since it uses less digits than its factorization.

14521001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320102.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 14521001 is about 3810.6431215741. The cubic root of 14521001 is about 243.9676175336.

Adding to 14521001 its reverse (10012541), we get a palindrome (24533542).

The spelling of 14521001 in words is "fourteen million, five hundred twenty-one thousand, one".