428575519 has 2 divisors, whose sum is σ = 428575520. Its totient is φ = 428575518.

The previous prime is 428575493. The next prime is 428575523. The reversal of 428575519 is 915575824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428575519 - 2¹¹ = 428573471 is a prime.

It is a super-2 number, since 2×428575519² = 367353950972238722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428575019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214287759 + 214287760.

It is an arithmetic number, because the mean of its divisors is an integer number (214287760).

Almost surely, 2^428575519 is an apocalyptic number.

428575519 is a deficient number, since it is larger than the sum of its proper divisors (1).

428575519 is an equidigital number, since it uses as much as digits as its factorization.

428575519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 46.

The square root of 428575519 is about 20702.0655732707. The cubic root of 428575519 is about 753.9498397634.

The spelling of 428575519 in words is "four hundred twenty-eight million, five hundred seventy-five thousand, five hundred nineteen".