421210341 has 16 divisors (see below), whose sum is σ = 627256320. Its totient is φ = 279348480.

The previous prime is 421210337. The next prime is 421210357. The reversal of 421210341 is 143012124.

421210341 is a `hidden beast` number, since 421 + 210 + 34 + 1 = 666.

It is not a de Polignac number, because 421210341 - 2² = 421210337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421218341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35205 + ... + 45626.

It is an arithmetic number, because the mean of its divisors is an integer number (39203520).

Almost surely, 2^421210341 is an apocalyptic number.

It is an amenable number.

421210341 is a deficient number, since it is larger than the sum of its proper divisors (206045979).

421210341 is a wasteful number, since it uses less digits than its factorization.

421210341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81033 (or 81027 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 421210341 is about 20523.4095851542. The cubic root of 421210341 is about 749.6059209719.

Adding to 421210341 its reverse (143012124), we get a palindrome (564222465).

The spelling of 421210341 in words is "four hundred twenty-one million, two hundred ten thousand, three hundred forty-one".