426962321 has 2 divisors, whose sum is σ = 426962322. Its totient is φ = 426962320.

The previous prime is 426962309. The next prime is 426962323. The reversal of 426962321 is 123269624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239135296 + 187827025 = 15464^2 + 13705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426962321 is a prime.

Together with 426962323, 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 (426962323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213481160 + 213481161.

It is an arithmetic number, because the mean of its divisors is an integer number (213481161).

Almost surely, 2^426962321 is an apocalyptic number.

It is an amenable number.

426962321 is a deficient number, since it is larger than the sum of its proper divisors (1).

426962321 is an equidigital number, since it uses as much as digits as its factorization.

426962321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 426962321 is about 20663.0665923526. The cubic root of 426962321 is about 753.0026713179.

The spelling of 426962321 in words is "four hundred twenty-six million, nine hundred sixty-two thousand, three hundred twenty-one".