14520019 has 2 divisors, whose sum is σ = 14520020. Its totient is φ = 14520018.

The previous prime is 14519993. The next prime is 14520029. The reversal of 14520019 is 91002541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14520019 - 2⁵ = 14519987 is a prime.

It is a super-2 number, since 2×14520019² = 421661903520722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14520029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7260009 + 7260010.

It is an arithmetic number, because the mean of its divisors is an integer number (7260010).

Almost surely, 2^14520019 is an apocalyptic number.

14520019 is a deficient number, since it is larger than the sum of its proper divisors (1).

14520019 is an equidigital number, since it uses as much as digits as its factorization.

14520019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 14520019 is about 3810.5142697541. The cubic root of 14520019 is about 243.9621178760.

It can be divided in two parts, 145 and 20019, that added together give a square (20164 = 142²).

The spelling of 14520019 in words is "fourteen million, five hundred twenty thousand, nineteen".