47561413 has 4 divisors (see below), whose sum is σ = 47601100. Its totient is φ = 47521728.

The previous prime is 47561411. The next prime is 47561417. The reversal of 47561413 is 31416574.

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 14002564 + 33558849 = 3742^2 + 5793^2 .

It is a cyclic number.

It is not a de Polignac number, because 47561413 - 2¹ = 47561411 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 (47561411) 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, 17988 + ... + 20461.

It is an arithmetic number, because the mean of its divisors is an integer number (11900275).

Almost surely, 2^47561413 is an apocalyptic number.

It is an amenable number.

47561413 is a deficient number, since it is larger than the sum of its proper divisors (39687).

47561413 is a wasteful number, since it uses less digits than its factorization.

47561413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39686.

The product of its digits is 10080, while the sum is 31.

The square root of 47561413 is about 6896.4783041782. The cubic root of 47561413 is about 362.3138335402.

Adding to 47561413 its reverse (31416574), we get a palindrome (78977987).

It can be divided in two parts, 47561 and 413, that added together give a palindrome (47974).

The spelling of 47561413 in words is "forty-seven million, five hundred sixty-one thousand, four hundred thirteen".