426299057 has 2 divisors, whose sum is σ = 426299058. Its totient is φ = 426299056.

The previous prime is 426299047. The next prime is 426299059. The reversal of 426299057 is 750992624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227376241 + 198922816 = 15079^2 + 14104^2 .

It is a cyclic number.

It is not a de Polignac number, because 426299057 - 2¹⁴ = 426282673 is a prime.

Together with 426299059, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 426298999 and 426299017.

It is not a weakly prime, because it can be changed into another prime (426299059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213149528 + 213149529.

It is an arithmetic number, because the mean of its divisors is an integer number (213149529).

Almost surely, 2^426299057 is an apocalyptic number.

It is an amenable number.

426299057 is a deficient number, since it is larger than the sum of its proper divisors (1).

426299057 is an equidigital number, since it uses as much as digits as its factorization.

426299057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 426299057 is about 20647.0108490309. The cubic root of 426299057 is about 752.6125522679.

The spelling of 426299057 in words is "four hundred twenty-six million, two hundred ninety-nine thousand, fifty-seven".