7518001 has 2 divisors, whose sum is σ = 7518002. Its totient is φ = 7518000.

The previous prime is 7517981. The next prime is 7518023. The reversal of 7518001 is 1008157.

It is an a-pointer prime, because the next prime (7518023) can be obtained adding 7518001 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5400976 + 2117025 = 2324^2 + 1455^2 .

It is an emirp because it is prime and its reverse (1008157) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7518001 is a prime.

7518001 is a lucky number.

It is equal to p₅₀₉₄₀₄ and since 7518001 and 509404 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (7518031) 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, 3759000 + 3759001.

It is an arithmetic number, because the mean of its divisors is an integer number (3759001).

Almost surely, 2^7518001 is an apocalyptic number.

It is an amenable number.

7518001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7518001 is an equidigital number, since it uses as much as digits as its factorization.

7518001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 7518001 is about 2741.8973357878. The cubic root of 7518001 is about 195.8998603409.

The spelling of 7518001 in words is "seven million, five hundred eighteen thousand, one".