47581261 has 8 divisors (see below), whose sum is σ = 58561664. Its totient is φ = 37646640.

The previous prime is 47581253. The next prime is 47581267. The reversal of 47581261 is 16218574.

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 47581261 - 2³ = 47581253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47581267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261345 + ... + 261526.

It is an arithmetic number, because the mean of its divisors is an integer number (7320208).

Almost surely, 2^47581261 is an apocalyptic number.

It is an amenable number.

47581261 is a deficient number, since it is larger than the sum of its proper divisors (10980403).

47581261 is a wasteful number, since it uses less digits than its factorization.

47581261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522891.

The product of its digits is 13440, while the sum is 34.

The square root of 47581261 is about 6897.9171494010. The cubic root of 47581261 is about 362.3642259656.

The spelling of 47581261 in words is "forty-seven million, five hundred eighty-one thousand, two hundred sixty-one".