427545829 has 2 divisors, whose sum is σ = 427545830. Its totient is φ = 427545828.

The previous prime is 427545821. The next prime is 427545863. The reversal of 427545829 is 928545724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408969729 + 18576100 = 20223^2 + 4310^2 .

It is a cyclic number.

It is not a de Polignac number, because 427545829 - 2³ = 427545821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427545821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213772914 + 213772915.

It is an arithmetic number, because the mean of its divisors is an integer number (213772915).

Almost surely, 2^427545829 is an apocalyptic number.

It is an amenable number.

427545829 is a deficient number, since it is larger than the sum of its proper divisors (1).

427545829 is an equidigital number, since it uses as much as digits as its factorization.

427545829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 46.

The square root of 427545829 is about 20677.1813601371. The cubic root of 427545829 is about 753.3455455030.

The spelling of 427545829 in words is "four hundred twenty-seven million, five hundred forty-five thousand, eight hundred twenty-nine".