420727603 has 2 divisors, whose sum is σ = 420727604. Its totient is φ = 420727602.

The previous prime is 420727547. The next prime is 420727627. The reversal of 420727603 is 306727024.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420727603 - 2²¹ = 418630451 is a prime.

It is a super-2 number, since 2×420727603² = 354023431852251218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (420727663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210363801 + 210363802.

It is an arithmetic number, because the mean of its divisors is an integer number (210363802).

Almost surely, 2^420727603 is an apocalyptic number.

420727603 is a deficient number, since it is larger than the sum of its proper divisors (1).

420727603 is an equidigital number, since it uses as much as digits as its factorization.

420727603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 420727603 is about 20511.6455458844. The cubic root of 420727603 is about 749.3194436813.

The spelling of 420727603 in words is "four hundred twenty million, seven hundred twenty-seven thousand, six hundred three".