52478347 has 2 divisors, whose sum is σ = 52478348. Its totient is φ = 52478346.

The previous prime is 52478329. The next prime is 52478359. The reversal of 52478347 is 74387425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52478347 - 2¹⁵ = 52445579 is a prime.

It is not a weakly prime, because it can be changed into another prime (52478047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26239173 + 26239174.

It is an arithmetic number, because the mean of its divisors is an integer number (26239174).

Almost surely, 2^52478347 is an apocalyptic number.

52478347 is a deficient number, since it is larger than the sum of its proper divisors (1).

52478347 is an equidigital number, since it uses as much as digits as its factorization.

52478347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 40.

The square root of 52478347 is about 7244.1940200412. The cubic root of 52478347 is about 374.3921340111.

It can be divided in two parts, 52478 and 347, that added together give a palindrome (52825).

The spelling of 52478347 in words is "fifty-two million, four hundred seventy-eight thousand, three hundred forty-seven".