47563261 has 4 divisors (see below), whose sum is σ = 47626524. Its totient is φ = 47500000.

The previous prime is 47563253. The next prime is 47563273. The reversal of 47563261 is 16236574.

It is a happy number.

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 24810361 + 22752900 = 4981^2 + 4770^2 .

It is a cyclic number.

It is not a de Polignac number, because 47563261 - 2³ = 47563253 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 (47563231) 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, 30490 + ... + 32011.

It is an arithmetic number, because the mean of its divisors is an integer number (11906631).

Almost surely, 2^47563261 is an apocalyptic number.

It is an amenable number.

47563261 is a deficient number, since it is larger than the sum of its proper divisors (63263).

47563261 is an equidigital number, since it uses as much as digits as its factorization.

47563261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63262.

The product of its digits is 30240, while the sum is 34.

The square root of 47563261 is about 6896.6122843031. The cubic root of 47563261 is about 362.3185260507.

It can be divided in two parts, 475 and 63261, that added together give a palindrome (63736).

The spelling of 47563261 in words is "forty-seven million, five hundred sixty-three thousand, two hundred sixty-one".