420617201 has 4 divisors (see below), whose sum is σ = 421320000. Its totient is φ = 419914404.

The previous prime is 420617173. The next prime is 420617233. The reversal of 420617201 is 102716024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420617201 - 2¹⁰ = 420616177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420917201) 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, 350501 + ... + 351698.

It is an arithmetic number, because the mean of its divisors is an integer number (105330000).

Almost surely, 2^420617201 is an apocalyptic number.

It is an amenable number.

420617201 is a deficient number, since it is larger than the sum of its proper divisors (702799).

420617201 is an equidigital number, since it uses as much as digits as its factorization.

420617201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702798.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 420617201 is about 20508.9541664123. The cubic root of 420617201 is about 749.2538956468.

The spelling of 420617201 in words is "four hundred twenty million, six hundred seventeen thousand, two hundred one".