461523413 has 4 divisors (see below), whose sum is σ = 497025228. Its totient is φ = 426021600.

The previous prime is 461523407. The next prime is 461523437. The reversal of 461523413 is 314325164.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64995844 + 396527569 = 8062^2 + 19913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461523413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461523613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17750888 + ... + 17750913.

It is an arithmetic number, because the mean of its divisors is an integer number (124256307).

Almost surely, 2^461523413 is an apocalyptic number.

It is an amenable number.

461523413 is a deficient number, since it is larger than the sum of its proper divisors (35501815).

461523413 is a wasteful number, since it uses less digits than its factorization.

461523413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35501814.

The product of its digits is 8640, while the sum is 29.

The square root of 461523413 is about 21483.0959826558. The cubic root of 461523413 is about 772.7954905499.

Adding to 461523413 its reverse (314325164), we get a palindrome (775848577).

The spelling of 461523413 in words is "four hundred sixty-one million, five hundred twenty-three thousand, four hundred thirteen".