421361255 has 16 divisors (see below), whose sum is σ = 578472960. Its totient is φ = 288630432.

The previous prime is 421361243. The next prime is 421361261. The reversal of 421361255 is 552163124.

It is a cyclic number.

It is not a de Polignac number, because 421361255 - 2²⁰ = 420312679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30572 + ... + 42158.

It is an arithmetic number, because the mean of its divisors is an integer number (36154560).

Almost surely, 2^421361255 is an apocalyptic number.

421361255 is a deficient number, since it is larger than the sum of its proper divisors (157111705).

421361255 is a wasteful number, since it uses less digits than its factorization.

421361255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12638.

The product of its digits is 7200, while the sum is 29.

The square root of 421361255 is about 20527.0858867010. The cubic root of 421361255 is about 749.6954348554.

The spelling of 421361255 in words is "four hundred twenty-one million, three hundred sixty-one thousand, two hundred fifty-five".