420252365 has 16 divisors (see below), whose sum is σ = 543543168. Its totient is φ = 310084416.

The previous prime is 420252361. The next prime is 420252377. The reversal of 420252365 is 563252024.

It is a cyclic number.

It is not a de Polignac number, because 420252365 - 2² = 420252361 is a prime.

It is a super-2 number, since 2×420252365² = 353224100576186450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420252361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119624 + ... + 123086.

It is an arithmetic number, because the mean of its divisors is an integer number (33971448).

Almost surely, 2^420252365 is an apocalyptic number.

It is an amenable number.

420252365 is a deficient number, since it is larger than the sum of its proper divisors (123290803).

420252365 is a wasteful number, since it uses less digits than its factorization.

420252365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 420252365 is about 20500.0576828457. The cubic root of 420252365 is about 749.0372030768.

The spelling of 420252365 in words is "four hundred twenty million, two hundred fifty-two thousand, three hundred sixty-five".