434261 has 2 divisors, whose sum is σ = 434262. Its totient is φ = 434260.

The previous prime is 434249. The next prime is 434267. The reversal of 434261 is 162434.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398161 + 36100 = 631^2 + 190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434261 is a prime.

It is a super-2 number, since 2×434261² = 377165232242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217130 + 217131.

It is an arithmetic number, because the mean of its divisors is an integer number (217131).

2⁴³⁴²⁶¹ is an apocalyptic number.

It is an amenable number.

434261 is a deficient number, since it is larger than the sum of its proper divisors (1).

434261 is an equidigital number, since it uses as much as digits as its factorization.

434261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 20.

The square root of 434261 is about 658.9848253185. The cubic root of 434261 is about 75.7269169792.

Adding to 434261 its sum of digits (20), we get a square (434281 = 659²).

Adding to 434261 its reverse (162434), we get a palindrome (596695).

The spelling of 434261 in words is "four hundred thirty-four thousand, two hundred sixty-one".