427432441 has 2 divisors, whose sum is σ = 427432442. Its totient is φ = 427432440.

The previous prime is 427432361. The next prime is 427432507. The reversal of 427432441 is 144234724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 367834041 + 59598400 = 19179^2 + 7720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427432441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (427432541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213716220 + 213716221.

It is an arithmetic number, because the mean of its divisors is an integer number (213716221).

Almost surely, 2^427432441 is an apocalyptic number.

It is an amenable number.

427432441 is a deficient number, since it is larger than the sum of its proper divisors (1).

427432441 is an equidigital number, since it uses as much as digits as its factorization.

427432441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 31.

The square root of 427432441 is about 20674.4393152511. The cubic root of 427432441 is about 753.2789421969.

The spelling of 427432441 in words is "four hundred twenty-seven million, four hundred thirty-two thousand, four hundred forty-one".