47213065 has 4 divisors (see below), whose sum is σ = 56655684. Its totient is φ = 37770448.

The previous prime is 47213059. The next prime is 47213123. The reversal of 47213065 is 56031274.

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 32444416 + 14768649 = 5696^2 + 3843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47213065 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4721302 + ... + 4721311.

It is an arithmetic number, because the mean of its divisors is an integer number (14163921).

Almost surely, 2^47213065 is an apocalyptic number.

It is an amenable number.

47213065 is a deficient number, since it is larger than the sum of its proper divisors (9442619).

47213065 is an equidigital number, since it uses as much as digits as its factorization.

47213065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9442618.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 47213065 is about 6871.1763912739. The cubic root of 47213065 is about 361.4271154891.

The spelling of 47213065 in words is "forty-seven million, two hundred thirteen thousand, sixty-five".