47465281 has 4 divisors (see below), whose sum is σ = 47704000. Its totient is φ = 47226564.

The previous prime is 47465267. The next prime is 47465443. The reversal of 47465281 is 18256474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18256474 = 2 ⋅9128237.

It is a cyclic number.

It is not a de Polignac number, because 47465281 - 2⁷ = 47465153 is a prime.

It is a super-2 number, since 2×47465281² = 4505905800817922, which contains 22 as substring.

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 47465281.

It is not an unprimeable number, because it can be changed into a prime (47465221) 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, 119061 + ... + 119458.

It is an arithmetic number, because the mean of its divisors is an integer number (11926000).

Almost surely, 2^47465281 is an apocalyptic number.

It is an amenable number.

47465281 is a deficient number, since it is larger than the sum of its proper divisors (238719).

47465281 is a wasteful number, since it uses less digits than its factorization.

47465281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238718.

The product of its digits is 53760, while the sum is 37.

The square root of 47465281 is about 6889.5051346232. The cubic root of 47465281 is about 362.0695637709.

The spelling of 47465281 in words is "forty-seven million, four hundred sixty-five thousand, two hundred eighty-one".