420966527 has 4 divisors (see below), whose sum is σ = 443122680. Its totient is φ = 398810376.

The previous prime is 420966487. The next prime is 420966541. The reversal of 420966527 is 725669024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420966527 - 2¹⁴ = 420950143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420966547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11078048 + ... + 11078085.

It is an arithmetic number, because the mean of its divisors is an integer number (110780670).

Almost surely, 2^420966527 is an apocalyptic number.

420966527 is a deficient number, since it is larger than the sum of its proper divisors (22156153).

420966527 is a wasteful number, since it uses less digits than its factorization.

420966527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22156152.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 420966527 is about 20517.4688253693. The cubic root of 420966527 is about 749.4612587328.

The spelling of 420966527 in words is "four hundred twenty million, nine hundred sixty-six thousand, five hundred twenty-seven".