421283265 has 32 divisors (see below), whose sum is σ = 726921216. Its totient is φ = 207110400.

The previous prime is 421283251. The next prime is 421283309. The reversal of 421283265 is 562382124.

It is not a de Polignac number, because 421283265 - 2⁹ = 421282753 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223507 + ... + 225383.

It is an arithmetic number, because the mean of its divisors is an integer number (22716288).

Almost surely, 2^421283265 is an apocalyptic number.

It is an amenable number.

421283265 is a deficient number, since it is larger than the sum of its proper divisors (305637951).

421283265 is a wasteful number, since it uses less digits than its factorization.

421283265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049.

The product of its digits is 23040, while the sum is 33.

The square root of 421283265 is about 20525.1861136507. The cubic root of 421283265 is about 749.6491781465.

The spelling of 421283265 in words is "four hundred twenty-one million, two hundred eighty-three thousand, two hundred sixty-five".