421255241 has 4 divisors (see below), whose sum is σ = 459551184. Its totient is φ = 382959300.

The previous prime is 421255231. The next prime is 421255273. The reversal of 421255241 is 142552124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421255241 - 2¹⁰ = 421254217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421255241.

It is not an unprimeable number, because it can be changed into a prime (421255231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19147955 + ... + 19147976.

It is an arithmetic number, because the mean of its divisors is an integer number (114887796).

Almost surely, 2^421255241 is an apocalyptic number.

It is an amenable number.

421255241 is a deficient number, since it is larger than the sum of its proper divisors (38295943).

421255241 is a wasteful number, since it uses less digits than its factorization.

421255241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38295942.

The product of its digits is 3200, while the sum is 26.

The square root of 421255241 is about 20524.5034288287. The cubic root of 421255241 is about 749.6325554161.

The spelling of 421255241 in words is "four hundred twenty-one million, two hundred fifty-five thousand, two hundred forty-one".