409649325 has 12 divisors (see below), whose sum is σ = 677287008. Its totient is φ = 218479600.

The previous prime is 409649309. The next prime is 409649353. The reversal of 409649325 is 523946904.

It is not a de Polignac number, because 409649325 - 2⁴ = 409649309 is a prime.

It is a super-3 number, since 3×409649325³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2730921 + ... + 2731070.

It is an arithmetic number, because the mean of its divisors is an integer number (56440584).

Almost surely, 2^409649325 is an apocalyptic number.

It is an amenable number.

409649325 is a deficient number, since it is larger than the sum of its proper divisors (267637683).

409649325 is a wasteful number, since it uses less digits than its factorization.

409649325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5462004 (or 5461999 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 409649325 is about 20239.7955770309. The cubic root of 409649325 is about 742.6840229067.

The spelling of 409649325 in words is "four hundred nine million, six hundred forty-nine thousand, three hundred twenty-five".