413900261 has 8 divisors (see below), whose sum is σ = 418572504. Its totient is φ = 409236480.

The previous prime is 413900257. The next prime is 413900269. The reversal of 413900261 is 162009314.

It can be written as a sum of positive squares in 4 ways, for example, as 201469636 + 212430625 = 14194^2 + 14575^2 .

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 413900261 - 2² = 413900257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 413900261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413900269) by changing a digit.

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, 192251 + ... + 194391.

It is an arithmetic number, because the mean of its divisors is an integer number (52321563).

Almost surely, 2^413900261 is an apocalyptic number.

It is an amenable number.

413900261 is a deficient number, since it is larger than the sum of its proper divisors (4672243).

413900261 is a wasteful number, since it uses less digits than its factorization.

413900261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 413900261 is about 20344.5388495291. The cubic root of 413900261 is about 745.2441348140.

Adding to 413900261 its reverse (162009314), we get a palindrome (575909575).

The spelling of 413900261 in words is "four hundred thirteen million, nine hundred thousand, two hundred sixty-one".