47426213 has 4 divisors (see below), whose sum is σ = 47846028. Its totient is φ = 47006400.

The previous prime is 47426201. The next prime is 47426221. The reversal of 47426213 is 31262474.

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 15864289 + 31561924 = 3983^2 + 5618^2 .

It is a cyclic number.

It is not a de Polignac number, because 47426213 - 2²⁴ = 30648997 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 (47426263) 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, 209738 + ... + 209963.

It is an arithmetic number, because the mean of its divisors is an integer number (11961507).

Almost surely, 2^47426213 is an apocalyptic number.

It is an amenable number.

47426213 is a deficient number, since it is larger than the sum of its proper divisors (419815).

47426213 is a wasteful number, since it uses less digits than its factorization.

47426213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419814.

The product of its digits is 8064, while the sum is 29.

The square root of 47426213 is about 6886.6692239427. The cubic root of 47426213 is about 361.9701983952.

Adding to 47426213 its reverse (31262474), we get a palindrome (78688687).

The spelling of 47426213 in words is "forty-seven million, four hundred twenty-six thousand, two hundred thirteen".