406451201 has 4 divisors (see below), whose sum is σ = 437716692. Its totient is φ = 375185712.

The previous prime is 406451197. The next prime is 406451209. The reversal of 406451201 is 102154604.

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 205492225 + 200958976 = 14335^2 + 14176^2 .

It is a cyclic number.

It is not a de Polignac number, because 406451201 - 2² = 406451197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406451209) 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, 15632726 + ... + 15632751.

It is an arithmetic number, because the mean of its divisors is an integer number (109429173).

Almost surely, 2^406451201 is an apocalyptic number.

It is an amenable number.

406451201 is a deficient number, since it is larger than the sum of its proper divisors (31265491).

406451201 is a wasteful number, since it uses less digits than its factorization.

406451201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31265490.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 406451201 is about 20160.6349354379. The cubic root of 406451201 is about 740.7462650601.

The spelling of 406451201 in words is "four hundred six million, four hundred fifty-one thousand, two hundred one".