405613201 has 4 divisors (see below), whose sum is σ = 463557952. Its totient is φ = 347668452.

The previous prime is 405613199. The next prime is 405613213. The reversal of 405613201 is 102316504.

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 405613201 - 2¹ = 405613199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405613231) 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, 28972365 + ... + 28972378.

It is an arithmetic number, because the mean of its divisors is an integer number (115889488).

Almost surely, 2^405613201 is an apocalyptic number.

It is an amenable number.

405613201 is a deficient number, since it is larger than the sum of its proper divisors (57944751).

405613201 is an equidigital number, since it uses as much as digits as its factorization.

405613201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57944750.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 405613201 is about 20139.8411364142. The cubic root of 405613201 is about 740.2368373890.

Adding to 405613201 its reverse (102316504), we get a palindrome (507929705).

The spelling of 405613201 in words is "four hundred five million, six hundred thirteen thousand, two hundred one".