426049537 has 2 divisors, whose sum is σ = 426049538. Its totient is φ = 426049536.

The previous prime is 426049531. The next prime is 426049543. The reversal of 426049537 is 735940624.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (426049531) and next prime (426049543).

It can be written as a sum of positive squares in only one way, i.e., 421727296 + 4322241 = 20536^2 + 2079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426049537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426049537.

It is not a weakly prime, because it can be changed into another prime (426049531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213024768 + 213024769.

It is an arithmetic number, because the mean of its divisors is an integer number (213024769).

It is a Proth number, since it is equal to 6501 ⋅ 2¹⁶ + 1 and 6501 < 2¹⁶.

Almost surely, 2^426049537 is an apocalyptic number.

It is an amenable number.

426049537 is a deficient number, since it is larger than the sum of its proper divisors (1).

426049537 is an equidigital number, since it uses as much as digits as its factorization.

426049537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 426049537 is about 20640.9674434121. The cubic root of 426049537 is about 752.4656846859.

The spelling of 426049537 in words is "four hundred twenty-six million, forty-nine thousand, five hundred thirty-seven".