426005147 has 2 divisors, whose sum is σ = 426005148. Its totient is φ = 426005146.

The previous prime is 426005113. The next prime is 426005197. The reversal of 426005147 is 741500624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426005147 - 2²⁸ = 157569691 is a prime.

It is not a weakly prime, because it can be changed into another prime (426005197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213002573 + 213002574.

It is an arithmetic number, because the mean of its divisors is an integer number (213002574).

Almost surely, 2^426005147 is an apocalyptic number.

426005147 is a deficient number, since it is larger than the sum of its proper divisors (1).

426005147 is an equidigital number, since it uses as much as digits as its factorization.

426005147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 426005147 is about 20639.8921266561. The cubic root of 426005147 is about 752.4395507046.

The spelling of 426005147 in words is "four hundred twenty-six million, five thousand, one hundred forty-seven".