47236213 has 4 divisors (see below), whose sum is σ = 47805408. Its totient is φ = 46667020.

The previous prime is 47236207. The next prime is 47236243. The reversal of 47236213 is 31263274.

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.

It is a cyclic number.

It is not a de Polignac number, because 47236213 - 2⁹ = 47235701 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 (47236243) 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, 284473 + ... + 284638.

It is an arithmetic number, because the mean of its divisors is an integer number (11951352).

Almost surely, 2^47236213 is an apocalyptic number.

It is an amenable number.

47236213 is a deficient number, since it is larger than the sum of its proper divisors (569195).

47236213 is an equidigital number, since it uses as much as digits as its factorization.

47236213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569194.

The product of its digits is 6048, while the sum is 28.

The square root of 47236213 is about 6872.8606125834. The cubic root of 47236213 is about 361.4861736328.

Adding to 47236213 its reverse (31263274), we get a palindrome (78499487).

The spelling of 47236213 in words is "forty-seven million, two hundred thirty-six thousand, two hundred thirteen".