52578347 has 2 divisors, whose sum is σ = 52578348. Its totient is φ = 52578346.

The previous prime is 52578343. The next prime is 52578367. The reversal of 52578347 is 74387525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52578347 - 2² = 52578343 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52578343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26289173 + 26289174.

It is an arithmetic number, because the mean of its divisors is an integer number (26289174).

Almost surely, 2^52578347 is an apocalyptic number.

52578347 is a deficient number, since it is larger than the sum of its proper divisors (1).

52578347 is an equidigital number, since it uses as much as digits as its factorization.

52578347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 41.

The square root of 52578347 is about 7251.0928141901. The cubic root of 52578347 is about 374.6297904919.

It can be divided in two parts, 52578 and 347, that added together give a palindrome (52925).

The spelling of 52578347 in words is "fifty-two million, five hundred seventy-eight thousand, three hundred forty-seven".