642062003 has 8 divisors (see below), whose sum is σ = 737296320. Its totient is φ = 552971880.

The previous prime is 642061957. The next prime is 642062011. The reversal of 642062003 is 300260246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 642062003 - 2¹² = 642057907 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 642062003.

It is not an unprimeable number, because it can be changed into a prime (642062063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535825 + ... + 1536242.

It is an arithmetic number, because the mean of its divisors is an integer number (92162040).

Almost surely, 2^642062003 is an apocalyptic number.

642062003 is a deficient number, since it is larger than the sum of its proper divisors (95234317).

642062003 is a wasteful number, since it uses less digits than its factorization.

642062003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072097.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 642062003 is about 25338.9424207089. The cubic root of 642062003 is about 862.6983944089.

The spelling of 642062003 in words is "six hundred forty-two million, sixty-two thousand, three".