1642315001 has 4 divisors (see below), whose sum is σ = 1642837392. Its totient is φ = 1641792612.

The previous prime is 1642314991. The next prime is 1642315019. The reversal of 1642315001 is 1005132461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1642315001 - 2¹⁰ = 1642313977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1642315021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256451 + ... + 262776.

It is an arithmetic number, because the mean of its divisors is an integer number (410709348).

Almost surely, 2^1642315001 is an apocalyptic number.

It is an amenable number.

1642315001 is a deficient number, since it is larger than the sum of its proper divisors (522391).

1642315001 is an equidigital number, since it uses as much as digits as its factorization.

1642315001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522390.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1642315001 is about 40525.4858206536. The cubic root of 1642315001 is about 1179.8283291866.

Adding to 1642315001 its reverse (1005132461), we get a palindrome (2647447462).

The spelling of 1642315001 in words is "one billion, six hundred forty-two million, three hundred fifteen thousand, one".