1427250859 has 2 divisors, whose sum is σ = 1427250860. Its totient is φ = 1427250858.

The previous prime is 1427250857. The next prime is 1427250917. The reversal of 1427250859 is 9580527241.

It is a weak prime.

It is an emirp because it is prime and its reverse (9580527241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1427250859 - 2¹ = 1427250857 is a prime.

Together with 1427250857, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1427250857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713625429 + 713625430.

It is an arithmetic number, because the mean of its divisors is an integer number (713625430).

Almost surely, 2^1427250859 is an apocalyptic number.

1427250859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427250859 is an equidigital number, since it uses as much as digits as its factorization.

1427250859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 1427250859 is about 37778.9737684866. The cubic root of 1427250859 is about 1125.9007394305.

The spelling of 1427250859 in words is "one billion, four hundred twenty-seven million, two hundred fifty thousand, eight hundred fifty-nine".