478421201 has 4 divisors (see below), whose sum is σ = 478890804. Its totient is φ = 477951600.

The previous prime is 478421179. The next prime is 478421219. The reversal of 478421201 is 102124874.

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 162435025 + 315986176 = 12745^2 + 17776^2 .

It is a cyclic number.

It is not a de Polignac number, because 478421201 - 2¹⁰ = 478420177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478421261) 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, 233270 + ... + 235311.

It is an arithmetic number, because the mean of its divisors is an integer number (119722701).

Almost surely, 2^478421201 is an apocalyptic number.

It is an amenable number.

478421201 is a deficient number, since it is larger than the sum of its proper divisors (469603).

478421201 is a wasteful number, since it uses less digits than its factorization.

478421201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469602.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 478421201 is about 21872.8416306615. The cubic root of 478421201 is about 782.1141423905.

It can be divided in two parts, 47 and 8421201, that added together give a palindrome (8421248).

The spelling of 478421201 in words is "four hundred seventy-eight million, four hundred twenty-one thousand, two hundred one".