409790525 has 12 divisors (see below), whose sum is σ = 538031412. Its totient is φ = 308547840.

The previous prime is 409790501. The next prime is 409790527. The reversal of 409790525 is 525097904.

It can be written as a sum of positive squares in 6 ways, for example, as 39112516 + 370678009 = 6254^2 + 19253^2 .

It is not a de Polignac number, because 409790525 - 2²² = 405596221 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 (409790527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481682 + ... + 482531.

It is an arithmetic number, because the mean of its divisors is an integer number (44835951).

Almost surely, 2^409790525 is an apocalyptic number.

It is an amenable number.

409790525 is a deficient number, since it is larger than the sum of its proper divisors (128240887).

409790525 is a wasteful number, since it uses less digits than its factorization.

409790525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964240 (or 964235 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 409790525 is about 20243.2834540249. The cubic root of 409790525 is about 742.7693437988.

The spelling of 409790525 in words is "four hundred nine million, seven hundred ninety thousand, five hundred twenty-five".