420529607 has 4 divisors (see below), whose sum is σ = 420831600. Its totient is φ = 420227616.

The previous prime is 420529597. The next prime is 420529649. The reversal of 420529607 is 706925024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420529607 - 2⁴ = 420529591 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 (420528607) 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 3 ways as a sum of consecutive naturals, for example, 148898 + ... + 151695.

It is an arithmetic number, because the mean of its divisors is an integer number (105207900).

Almost surely, 2^420529607 is an apocalyptic number.

420529607 is a deficient number, since it is larger than the sum of its proper divisors (301993).

420529607 is a wasteful number, since it uses less digits than its factorization.

420529607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301992.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 420529607 is about 20506.8185489607. The cubic root of 420529607 is about 749.2018810502.

The spelling of 420529607 in words is "four hundred twenty million, five hundred twenty-nine thousand, six hundred seven".