427111253 has 2 divisors, whose sum is σ = 427111254. Its totient is φ = 427111252.

The previous prime is 427111229. The next prime is 427111261. The reversal of 427111253 is 352111724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334816804 + 92294449 = 18298^2 + 9607^2 .

It is a cyclic number.

It is not a de Polignac number, because 427111253 - 2⁶ = 427111189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427111283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213555626 + 213555627.

It is an arithmetic number, because the mean of its divisors is an integer number (213555627).

Almost surely, 2^427111253 is an apocalyptic number.

It is an amenable number.

427111253 is a deficient number, since it is larger than the sum of its proper divisors (1).

427111253 is an equidigital number, since it uses as much as digits as its factorization.

427111253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 427111253 is about 20666.6700994621. The cubic root of 427111253 is about 753.0902146844.

Adding to 427111253 its reverse (352111724), we get a palindrome (779222977).

The spelling of 427111253 in words is "four hundred twenty-seven million, one hundred eleven thousand, two hundred fifty-three".