421527059 has 2 divisors, whose sum is σ = 421527060. Its totient is φ = 421527058.

The previous prime is 421527047. The next prime is 421527061. The reversal of 421527059 is 950725124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421527059 - 2²⁰ = 420478483 is a prime.

It is a super-2 number, since 2×421527059² = 355370122938378962, which contains 22 as substring.

Together with 421527061, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (421527079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210763529 + 210763530.

It is an arithmetic number, because the mean of its divisors is an integer number (210763530).

Almost surely, 2^421527059 is an apocalyptic number.

421527059 is a deficient number, since it is larger than the sum of its proper divisors (1).

421527059 is an equidigital number, since it uses as much as digits as its factorization.

421527059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 421527059 is about 20531.1241533434. The cubic root of 421527059 is about 749.7937560305.

The spelling of 421527059 in words is "four hundred twenty-one million, five hundred twenty-seven thousand, fifty-nine".