421430575 has 12 divisors (see below), whose sum is σ = 528448320. Its totient is φ = 333354560.

The previous prime is 421430551. The next prime is 421430599. The reversal of 421430575 is 575034124.

It is an interprime number because it is at equal distance from previous prime (421430551) and next prime (421430599).

It is not a de Polignac number, because 421430575 - 2⁵ = 421430543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92479 + ... + 96928.

It is an arithmetic number, because the mean of its divisors is an integer number (44037360).

Almost surely, 2^421430575 is an apocalyptic number.

421430575 is a deficient number, since it is larger than the sum of its proper divisors (107017745).

421430575 is a wasteful number, since it uses less digits than its factorization.

421430575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189506 (or 189501 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 421430575 is about 20528.7743180152. The cubic root of 421430575 is about 749.7365445028.

Adding to 421430575 its reverse (575034124), we get a palindrome (996464699).

The spelling of 421430575 in words is "four hundred twenty-one million, four hundred thirty thousand, five hundred seventy-five".