420965701 has 4 divisors (see below), whose sum is σ = 453347692. Its totient is φ = 388583712.

The previous prime is 420965693. The next prime is 420965717. The reversal of 420965701 is 107569024.

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 36844900 + 384120801 = 6070^2 + 19599^2 .

It is a cyclic number.

It is not a de Polignac number, because 420965701 - 2³ = 420965693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420965731) 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, 16190976 + ... + 16191001.

It is an arithmetic number, because the mean of its divisors is an integer number (113336923).

Almost surely, 2^420965701 is an apocalyptic number.

It is an amenable number.

420965701 is a deficient number, since it is larger than the sum of its proper divisors (32381991).

420965701 is a wasteful number, since it uses less digits than its factorization.

420965701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32381990.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 420965701 is about 20517.4486961708. The cubic root of 420965701 is about 749.4607685470.

The spelling of 420965701 in words is "four hundred twenty million, nine hundred sixty-five thousand, seven hundred one".