47326381 has 2 divisors, whose sum is σ = 47326382. Its totient is φ = 47326380.

The previous prime is 47326369. The next prime is 47326393. The reversal of 47326381 is 18362374.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (47326369) and next prime (47326393).

It can be written as a sum of positive squares in only one way, i.e., 36796356 + 10530025 = 6066^2 + 3245^2 .

It is a cyclic number.

It is not a de Polignac number, because 47326381 - 2¹⁵ = 47293613 is a prime.

It is a super-2 number, since 2×47326381² = 4479572677114322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47320381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23663190 + 23663191.

It is an arithmetic number, because the mean of its divisors is an integer number (23663191).

Almost surely, 2^47326381 is an apocalyptic number.

It is an amenable number.

47326381 is a deficient number, since it is larger than the sum of its proper divisors (1).

47326381 is an equidigital number, since it uses as much as digits as its factorization.

47326381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 47326381 is about 6879.4171991528. The cubic root of 47326381 is about 361.7160380074.

It can be divided in two parts, 473263 and 81, that added together give a square (473344 = 688²).

The spelling of 47326381 in words is "forty-seven million, three hundred twenty-six thousand, three hundred eighty-one".