2018351 has 6 divisors (see below), whose sum is σ = 2130552. Its totient is φ = 1911780.

The previous prime is 2018333. The next prime is 2018369. The reversal of 2018351 is 1538102.

It is an interprime number because it is at equal distance from previous prime (2018333) and next prime (2018369).

It is not a de Polignac number, because 2018351 - 2⁶ = 2018287 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018381) 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 5 ways as a sum of consecutive naturals, for example, 2435 + ... + 3156.

It is an arithmetic number, because the mean of its divisors is an integer number (355092).

2^2018351 is an apocalyptic number.

2018351 is a deficient number, since it is larger than the sum of its proper divisors (112201).

2018351 is an equidigital number, since it uses as much as digits as its factorization.

2018351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629 (or 5610 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2018351 is about 1420.6868057387. The cubic root of 2018351 is about 126.3762792306.

Subtracting from 2018351 its reverse (1538102), we obtain a square (480249 = 693²).

The spelling of 2018351 in words is "two million, eighteen thousand, three hundred fifty-one".