420763265 has 32 divisors (see below), whose sum is σ = 597300480. Its totient is φ = 281546496.

The previous prime is 420763261. The next prime is 420763267. The reversal of 420763265 is 562367024.

It is not a de Polignac number, because 420763265 - 2² = 420763261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420763261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20999 + ... + 35811.

It is an arithmetic number, because the mean of its divisors is an integer number (18665640).

Almost surely, 2^420763265 is an apocalyptic number.

It is an amenable number.

420763265 is a deficient number, since it is larger than the sum of its proper divisors (176537215).

420763265 is a wasteful number, since it uses less digits than its factorization.

420763265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14873.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 420763265 is about 20512.5148385077. The cubic root of 420763265 is about 749.3406145250.

The spelling of 420763265 in words is "four hundred twenty million, seven hundred sixty-three thousand, two hundred sixty-five".