426784051 has 2 divisors, whose sum is σ = 426784052. Its totient is φ = 426784050.

The previous prime is 426784009. The next prime is 426784087. The reversal of 426784051 is 150487624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426784051 - 2¹⁷ = 426652979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426784051.

It is not a weakly prime, because it can be changed into another prime (426704051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213392025 + 213392026.

It is an arithmetic number, because the mean of its divisors is an integer number (213392026).

Almost surely, 2^426784051 is an apocalyptic number.

426784051 is a deficient number, since it is larger than the sum of its proper divisors (1).

426784051 is an equidigital number, since it uses as much as digits as its factorization.

426784051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 426784051 is about 20658.7524066677. The cubic root of 426784051 is about 752.8978560787.

The spelling of 426784051 in words is "four hundred twenty-six million, seven hundred eighty-four thousand, fifty-one".