14527021 has 2 divisors, whose sum is σ = 14527022. Its totient is φ = 14527020.

The previous prime is 14526979. The next prime is 14527067. The reversal of 14527021 is 12072541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13286025 + 1240996 = 3645^2 + 1114^2 .

It is a cyclic number.

It is not a de Polignac number, because 14527021 - 2⁹ = 14526509 is a prime.

It is a super-2 number, since 2×14527021² = 422068678268882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14526983 and 14527001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14527081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7263510 + 7263511.

It is an arithmetic number, because the mean of its divisors is an integer number (7263511).

Almost surely, 2^14527021 is an apocalyptic number.

It is an amenable number.

14527021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14527021 is an equidigital number, since it uses as much as digits as its factorization.

14527021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 14527021 is about 3811.4329326383. The cubic root of 14527021 is about 244.0013269210.

Adding to 14527021 its reverse (12072541), we get a palindrome (26599562).

The spelling of 14527021 in words is "fourteen million, five hundred twenty-seven thousand, twenty-one".