420263003 has 2 divisors, whose sum is σ = 420263004. Its totient is φ = 420263002.

The previous prime is 420262979. The next prime is 420263017. The reversal of 420263003 is 300362024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420263003 - 2²² = 416068699 is a prime.

It is not a weakly prime, because it can be changed into another prime (420263083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210131501 + 210131502.

It is an arithmetic number, because the mean of its divisors is an integer number (210131502).

Almost surely, 2^420263003 is an apocalyptic number.

420263003 is a deficient number, since it is larger than the sum of its proper divisors (1).

420263003 is an equidigital number, since it uses as much as digits as its factorization.

420263003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 420263003 is about 20500.3171438883. The cubic root of 420263003 is about 749.0435232400.

The spelling of 420263003 in words is "four hundred twenty million, two hundred sixty-three thousand, three".