420614465 has 4 divisors (see below), whose sum is σ = 504737364. Its totient is φ = 336491568.

The previous prime is 420614423. The next prime is 420614477. The reversal of 420614465 is 564416024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76177984 + 344436481 = 8728^2 + 18559^2 .

It is a cyclic number.

It is not a de Polignac number, because 420614465 - 2¹⁸ = 420352321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42061442 + ... + 42061451.

It is an arithmetic number, because the mean of its divisors is an integer number (126184341).

Almost surely, 2^420614465 is an apocalyptic number.

It is an amenable number.

420614465 is a deficient number, since it is larger than the sum of its proper divisors (84122899).

420614465 is an equidigital number, since it uses as much as digits as its factorization.

420614465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84122898.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 420614465 is about 20508.8874637314. The cubic root of 420614465 is about 749.2522710793.

The spelling of 420614465 in words is "four hundred twenty million, six hundred fourteen thousand, four hundred sixty-five".