427562089 has 2 divisors, whose sum is σ = 427562090. Its totient is φ = 427562088.

The previous prime is 427562081. The next prime is 427562119. The reversal of 427562089 is 980265724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283754025 + 143808064 = 16845^2 + 11992^2 .

It is a cyclic number.

It is not a de Polignac number, because 427562089 - 2³ = 427562081 is a prime.

It is not a weakly prime, because it can be changed into another prime (427562081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213781044 + 213781045.

It is an arithmetic number, because the mean of its divisors is an integer number (213781045).

Almost surely, 2^427562089 is an apocalyptic number.

It is an amenable number.

427562089 is a deficient number, since it is larger than the sum of its proper divisors (1).

427562089 is an equidigital number, since it uses as much as digits as its factorization.

427562089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 427562089 is about 20677.5745434517. The cubic root of 427562089 is about 753.3550955461.

The spelling of 427562089 in words is "four hundred twenty-seven million, five hundred sixty-two thousand, eighty-nine".