642025341 has 12 divisors (see below), whose sum is σ = 928177120. Its totient is φ = 427644360.

The previous prime is 642025331. The next prime is 642025357. The reversal of 642025341 is 143520246.

642025341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 642025341 - 2⁵ = 642025309 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 (642025331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19921 + ... + 40998.

Almost surely, 2^642025341 is an apocalyptic number.

It is an amenable number.

642025341 is a deficient number, since it is larger than the sum of its proper divisors (286151779).

642025341 is a wasteful number, since it uses less digits than its factorization.

642025341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62096 (or 62093 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 642025341 is about 25338.2189784523. The cubic root of 642025341 is about 862.6819739540.

Adding to 642025341 its reverse (143520246), we get a palindrome (785545587).

The spelling of 642025341 in words is "six hundred forty-two million, twenty-five thousand, three hundred forty-one".