407066261 has 4 divisors (see below), whose sum is σ = 465218592. Its totient is φ = 348913932.

The previous prime is 407066221. The next prime is 407066273. The reversal of 407066261 is 162660704.

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 a de Polignac number, because none of the positive numbers 2^k-407066261 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 (407066221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29076155 + ... + 29076168.

It is an arithmetic number, because the mean of its divisors is an integer number (116304648).

Almost surely, 2^407066261 is an apocalyptic number.

It is an amenable number.

407066261 is a deficient number, since it is larger than the sum of its proper divisors (58152331).

407066261 is an equidigital number, since it uses as much as digits as its factorization.

407066261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58152330.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 407066261 is about 20175.8831529130. The cubic root of 407066261 is about 741.1197201240.

The spelling of 407066261 in words is "four hundred seven million, sixty-six thousand, two hundred sixty-one".