427334261 has 2 divisors, whose sum is σ = 427334262. Its totient is φ = 427334260.

The previous prime is 427334113. The next prime is 427334269. The reversal of 427334261 is 162433724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420496036 + 6838225 = 20506^2 + 2615^2 .

It is a cyclic number.

It is not a de Polignac number, because 427334261 - 2¹⁸ = 427072117 is a prime.

It is a super-2 number, since 2×427334261² = 365229141248832242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427334269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213667130 + 213667131.

It is an arithmetic number, because the mean of its divisors is an integer number (213667131).

Almost surely, 2^427334261 is an apocalyptic number.

It is an amenable number.

427334261 is a deficient number, since it is larger than the sum of its proper divisors (1).

427334261 is an equidigital number, since it uses as much as digits as its factorization.

427334261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 32.

The square root of 427334261 is about 20672.0647493181. The cubic root of 427334261 is about 753.2212624462.

Adding to 427334261 its reverse (162433724), we get a palindrome (589767985).

The spelling of 427334261 in words is "four hundred twenty-seven million, three hundred thirty-four thousand, two hundred sixty-one".