42300621 has 12 divisors (see below), whose sum is σ = 66655680. Its totient is φ = 25636680.

The previous prime is 42300617. The next prime is 42300623. The reversal of 42300621 is 12600324.

It is a happy number.

42300621 is a `hidden beast` number, since 42 + 3 + 0 + 0 + 621 = 666.

42300621 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 42300621 - 2² = 42300617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42300594 and 42300603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42300623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213541 + ... + 213738.

It is an arithmetic number, because the mean of its divisors is an integer number (5554640).

Almost surely, 2^42300621 is an apocalyptic number.

It is an amenable number.

42300621 is a deficient number, since it is larger than the sum of its proper divisors (24355059).

42300621 is a wasteful number, since it uses less digits than its factorization.

42300621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427296 (or 427293 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 42300621 is about 6503.8927574184. The cubic root of 42300621 is about 348.4300321926.

Adding to 42300621 its reverse (12600324), we get a palindrome (54900945).

The spelling of 42300621 in words is "forty-two million, three hundred thousand, six hundred twenty-one".