420532627 has 2 divisors, whose sum is σ = 420532628. Its totient is φ = 420532626.

The previous prime is 420532583. The next prime is 420532649. The reversal of 420532627 is 726235024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420532627 - 2⁷ = 420532499 is a prime.

It is a super-2 number, since 2×420532627² = 353695380743042258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (420532027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210266313 + 210266314.

It is an arithmetic number, because the mean of its divisors is an integer number (210266314).

Almost surely, 2^420532627 is an apocalyptic number.

420532627 is a deficient number, since it is larger than the sum of its proper divisors (1).

420532627 is an equidigital number, since it uses as much as digits as its factorization.

420532627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 420532627 is about 20506.8921828735. The cubic root of 420532627 is about 749.2036744905.

The spelling of 420532627 in words is "four hundred twenty million, five hundred thirty-two thousand, six hundred twenty-seven".