428853251 has 2 divisors, whose sum is σ = 428853252. Its totient is φ = 428853250.

The previous prime is 428853221. The next prime is 428853289. The reversal of 428853251 is 152358824.

It is an a-pointer prime, because the next prime (428853289) can be obtained adding 428853251 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428853251 - 2¹⁴ = 428836867 is a prime.

It is a super-2 number, since 2×428853251² = 367830221786538002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (428853211) 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, 214426625 + 214426626.

It is an arithmetic number, because the mean of its divisors is an integer number (214426626).

Almost surely, 2^428853251 is an apocalyptic number.

428853251 is a deficient number, since it is larger than the sum of its proper divisors (1).

428853251 is an equidigital number, since it uses as much as digits as its factorization.

428853251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76800, while the sum is 38.

The square root of 428853251 is about 20708.7723199614. The cubic root of 428853251 is about 754.1126665947.

The spelling of 428853251 in words is "four hundred twenty-eight million, eight hundred fifty-three thousand, two hundred fifty-one".