420327527 has 2 divisors, whose sum is σ = 420327528. Its totient is φ = 420327526.

The previous prime is 420327497. The next prime is 420327529. The reversal of 420327527 is 725723024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420327527 - 2⁶ = 420327463 is a prime.

Together with 420327529, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 420327493 and 420327502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420327529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210163763 + 210163764.

It is an arithmetic number, because the mean of its divisors is an integer number (210163764).

Almost surely, 2^420327527 is an apocalyptic number.

420327527 is a deficient number, since it is larger than the sum of its proper divisors (1).

420327527 is an equidigital number, since it uses as much as digits as its factorization.

420327527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 420327527 is about 20501.8908152395. The cubic root of 420327527 is about 749.0818554357.

The spelling of 420327527 in words is "four hundred twenty million, three hundred twenty-seven thousand, five hundred twenty-seven".