642603301 has 16 divisors (see below), whose sum is σ = 662671360. Its totient is φ = 622954800.

The previous prime is 642603293. The next prime is 642603307. The reversal of 642603301 is 103306246.

It is a cyclic number.

It is not a de Polignac number, because 642603301 - 2³ = 642603293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642603307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1228426 + ... + 1228948.

It is an arithmetic number, because the mean of its divisors is an integer number (41416960).

Almost surely, 2^642603301 is an apocalyptic number.

It is an amenable number.

642603301 is a deficient number, since it is larger than the sum of its proper divisors (20068059).

642603301 is a wasteful number, since it uses less digits than its factorization.

642603301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 642603301 is about 25349.6213186706. The cubic root of 642603301 is about 862.9407623550.

Adding to 642603301 its reverse (103306246), we get a palindrome (745909547).

The spelling of 642603301 in words is "six hundred forty-two million, six hundred three thousand, three hundred one".