2002543315 has 4 divisors (see below), whose sum is σ = 2403051984. Its totient is φ = 1602034648.

The previous prime is 2002543303. The next prime is 2002543327. The reversal of 2002543315 is 5133452002.

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

It is an interprime number because it is at equal distance from previous prime (2002543303) and next prime (2002543327).

It is a cyclic number.

It is not a de Polignac number, because 2002543315 - 2²³ = 1994154707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002543315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200254327 + ... + 200254336.

It is an arithmetic number, because the mean of its divisors is an integer number (600762996).

Almost surely, 2^2002543315 is an apocalyptic number.

2002543315 is a deficient number, since it is larger than the sum of its proper divisors (400508669).

2002543315 is an equidigital number, since it uses as much as digits as its factorization.

2002543315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400508668.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2002543315 is about 44749.7856419447. The cubic root of 2002543315 is about 1260.4548863572.

Adding to 2002543315 its reverse (5133452002), we get a palindrome (7135995317).

The spelling of 2002543315 in words is "two billion, two million, five hundred forty-three thousand, three hundred fifteen".