426752897 has 2 divisors, whose sum is σ = 426752898. Its totient is φ = 426752896.

The previous prime is 426752891. The next prime is 426752899. The reversal of 426752897 is 798257624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248503696 + 178249201 = 15764^2 + 13351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426752897 is a prime.

Together with 426752899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (426752891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213376448 + 213376449.

It is an arithmetic number, because the mean of its divisors is an integer number (213376449).

Almost surely, 2^426752897 is an apocalyptic number.

It is an amenable number.

426752897 is a deficient number, since it is larger than the sum of its proper divisors (1).

426752897 is an equidigital number, since it uses as much as digits as its factorization.

426752897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 50.

The square root of 426752897 is about 20657.9983783521. The cubic root of 426752897 is about 752.8795358451.

The spelling of 426752897 in words is "four hundred twenty-six million, seven hundred fifty-two thousand, eight hundred ninety-seven".