426540347 has 2 divisors, whose sum is σ = 426540348. Its totient is φ = 426540346.

The previous prime is 426540337. The next prime is 426540383. The reversal of 426540347 is 743045624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426540347 - 2¹⁴ = 426523963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (426540337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213270173 + 213270174.

It is an arithmetic number, because the mean of its divisors is an integer number (213270174).

Almost surely, 2^426540347 is an apocalyptic number.

426540347 is a deficient number, since it is larger than the sum of its proper divisors (1).

426540347 is an equidigital number, since it uses as much as digits as its factorization.

426540347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 426540347 is about 20652.8532411384. The cubic root of 426540347 is about 752.7545211733.

The spelling of 426540347 in words is "four hundred twenty-six million, five hundred forty thousand, three hundred forty-seven".