426951587 has 2 divisors, whose sum is σ = 426951588. Its totient is φ = 426951586.

The previous prime is 426951571. The next prime is 426951589. The reversal of 426951587 is 785159624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426951587 - 2⁴ = 426951571 is a prime.

Together with 426951589, 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 (426951589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213475793 + 213475794.

It is an arithmetic number, because the mean of its divisors is an integer number (213475794).

Almost surely, 2^426951587 is an apocalyptic number.

426951587 is a deficient number, since it is larger than the sum of its proper divisors (1).

426951587 is an equidigital number, since it uses as much as digits as its factorization.

426951587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 47.

The square root of 426951587 is about 20662.8068519260. The cubic root of 426951587 is about 752.9963610043.

The spelling of 426951587 in words is "four hundred twenty-six million, nine hundred fifty-one thousand, five hundred eighty-seven".