421030597 has 8 divisors (see below), whose sum is σ = 453670616. Its totient is φ = 388426752.

The previous prime is 421030591. The next prime is 421030607. The reversal of 421030597 is 795030124.

It can be written as a sum of positive squares in 4 ways, for example, as 54154881 + 366875716 = 7359^2 + 19154^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421030597 is a prime.

It is a super-2 number, since 2×421030597² = 354533527220352818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421030591) 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 7 ways as a sum of consecutive naturals, for example, 18193 + ... + 34249.

It is an arithmetic number, because the mean of its divisors is an integer number (56708827).

Almost surely, 2^421030597 is an apocalyptic number.

It is an amenable number.

421030597 is a deficient number, since it is larger than the sum of its proper divisors (32640019).

421030597 is a wasteful number, since it uses less digits than its factorization.

421030597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18087.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 421030597 is about 20519.0301184047. The cubic root of 421030597 is about 749.4992788158.

The spelling of 421030597 in words is "four hundred twenty-one million, thirty thousand, five hundred ninety-seven".