421097235 has 16 divisors (see below), whose sum is σ = 725583264. Its totient is φ = 207309312.

The previous prime is 421097233. The next prime is 421097249. The reversal of 421097235 is 532790124.

It is not a de Polignac number, because 421097235 - 2¹ = 421097233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421097196 and 421097205.

It is not an unprimeable number, because it can be changed into a prime (421097233) 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, 1079542 + ... + 1079931.

It is an arithmetic number, because the mean of its divisors is an integer number (45348954).

Almost surely, 2^421097235 is an apocalyptic number.

421097235 is a deficient number, since it is larger than the sum of its proper divisors (304486029).

421097235 is a wasteful number, since it uses less digits than its factorization.

421097235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159494.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 421097235 is about 20520.6538638514. The cubic root of 421097235 is about 749.5388186961.

The spelling of 421097235 in words is "four hundred twenty-one million, ninety-seven thousand, two hundred thirty-five".