2018497 has 4 divisors (see below), whose sum is σ = 2173780. Its totient is φ = 1863216.

The previous prime is 2018483. The next prime is 2018507. The reversal of 2018497 is 7948102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103041 + 1915456 = 321^2 + 1384^2 .

It is a cyclic number.

It is not a de Polignac number, because 2018497 - 2⁷ = 2018369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2018407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77622 + ... + 77647.

It is an arithmetic number, because the mean of its divisors is an integer number (543445).

2^2018497 is an apocalyptic number.

It is an amenable number.

2018497 is a deficient number, since it is larger than the sum of its proper divisors (155283).

2018497 is a wasteful number, since it uses less digits than its factorization.

2018497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155282.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2018497 is about 1420.7381884077. The cubic root of 2018497 is about 126.3793263537.

The spelling of 2018497 in words is "two million, eighteen thousand, four hundred ninety-seven".