421710461 has 8 divisors (see below), whose sum is σ = 441189504. Its totient is φ = 402669280.

The previous prime is 421710439. The next prime is 421710533. The reversal of 421710461 is 164017124.

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

It is a cyclic number.

It is not a de Polignac number, because 421710461 - 2⁶ = 421710397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 421710461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421710161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107495 + ... + 111348.

It is an arithmetic number, because the mean of its divisors is an integer number (55148688).

Almost surely, 2^421710461 is an apocalyptic number.

421710461 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

421710461 is a deficient number, since it is larger than the sum of its proper divisors (19479043).

421710461 is a wasteful number, since it uses less digits than its factorization.

421710461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218931.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 421710461 is about 20535.5901059599. The cubic root of 421710461 is about 749.9024827285.

Adding to 421710461 its reverse (164017124), we get a palindrome (585727585).

The spelling of 421710461 in words is "four hundred twenty-one million, seven hundred ten thousand, four hundred sixty-one".