420252059 has 2 divisors, whose sum is σ = 420252060. Its totient is φ = 420252058.

The previous prime is 420251987. The next prime is 420252071. The reversal of 420252059 is 950252024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420252059 - 2⁸ = 420251803 is a prime.

It is a super-2 number, since 2×420252059² = 353223586187478962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (420252559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210126029 + 210126030.

It is an arithmetic number, because the mean of its divisors is an integer number (210126030).

Almost surely, 2^420252059 is an apocalyptic number.

420252059 is a deficient number, since it is larger than the sum of its proper divisors (1).

420252059 is an equidigital number, since it uses as much as digits as its factorization.

420252059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 420252059 is about 20500.0502194507. The cubic root of 420252059 is about 749.0370212770.

The spelling of 420252059 in words is "four hundred twenty million, two hundred fifty-two thousand, fifty-nine".