413661245 has 8 divisors (see below), whose sum is σ = 499556184. Its totient is φ = 328820544.

The previous prime is 413661229. The next prime is 413661299. The reversal of 413661245 is 542166314.

It can be written as a sum of positive squares in 4 ways, for example, as 70744921 + 342916324 = 8411^2 + 18518^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 413661245 - 2⁴ = 413661229 is a prime.

It is a super-2 number, since 2×413661245² = 342231251229900050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262694 + ... + 264263.

It is an arithmetic number, because the mean of its divisors is an integer number (62444523).

Almost surely, 2^413661245 is an apocalyptic number.

It is an amenable number.

413661245 is a deficient number, since it is larger than the sum of its proper divisors (85894939).

413661245 is a wasteful number, since it uses less digits than its factorization.

413661245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527119.

The product of its digits is 17280, while the sum is 32.

The square root of 413661245 is about 20338.6637958348. The cubic root of 413661245 is about 745.1006545384.

The spelling of 413661245 in words is "four hundred thirteen million, six hundred sixty-one thousand, two hundred forty-five".