407225617 has 2 divisors, whose sum is σ = 407225618. Its totient is φ = 407225616.

The previous prime is 407225597. The next prime is 407225657. The reversal of 407225617 is 716522704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343879936 + 63345681 = 18544^2 + 7959^2 .

It is a cyclic number.

It is not a de Polignac number, because 407225617 - 2¹¹ = 407223569 is a prime.

It is not a weakly prime, because it can be changed into another prime (407225657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203612808 + 203612809.

It is an arithmetic number, because the mean of its divisors is an integer number (203612809).

Almost surely, 2^407225617 is an apocalyptic number.

It is an amenable number.

407225617 is a deficient number, since it is larger than the sum of its proper divisors (1).

407225617 is an equidigital number, since it uses as much as digits as its factorization.

407225617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 407225617 is about 20179.8319368621. The cubic root of 407225617 is about 741.2164172939.

The spelling of 407225617 in words is "four hundred seven million, two hundred twenty-five thousand, six hundred seventeen".