426031513 has 2 divisors, whose sum is σ = 426031514. Its totient is φ = 426031512.

The previous prime is 426031511. The next prime is 426031523. The reversal of 426031513 is 315130624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349241344 + 76790169 = 18688^2 + 8763^2 .

It is a cyclic number.

It is not a de Polignac number, because 426031513 - 2¹ = 426031511 is a prime.

Together with 426031511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (426031511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213015756 + 213015757.

It is an arithmetic number, because the mean of its divisors is an integer number (213015757).

Almost surely, 2^426031513 is an apocalyptic number.

It is an amenable number.

426031513 is a deficient number, since it is larger than the sum of its proper divisors (1).

426031513 is an equidigital number, since it uses as much as digits as its factorization.

426031513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 426031513 is about 20640.5308313522. The cubic root of 426031513 is about 752.4550735311.

The spelling of 426031513 in words is "four hundred twenty-six million, thirty-one thousand, five hundred thirteen".