421353105 has 32 divisors (see below), whose sum is σ = 692496000. Its totient is φ = 218641920.

The previous prime is 421353103. The next prime is 421353131. The reversal of 421353105 is 501353124.

It is not a de Polignac number, because 421353105 - 2¹ = 421353103 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (421353103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306199 + ... + 307571.

It is an arithmetic number, because the mean of its divisors is an integer number (21640500).

Almost surely, 2^421353105 is an apocalyptic number.

It is an amenable number.

421353105 is a deficient number, since it is larger than the sum of its proper divisors (271142895).

421353105 is a wasteful number, since it uses less digits than its factorization.

421353105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 421353105 is about 20526.8873675480. The cubic root of 421353105 is about 749.6906012697.

The spelling of 421353105 in words is "four hundred twenty-one million, three hundred fifty-three thousand, one hundred five".