434253581 has 2 divisors, whose sum is σ = 434253582. Its totient is φ = 434253580.

The previous prime is 434253563. The next prime is 434253613. The reversal of 434253581 is 185352434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 434055556 + 198025 = 20834^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 434253581 - 2¹⁴ = 434237197 is a prime.

It is a super-2 number, since 2×434253581² = 377152345222647122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434253541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217126790 + 217126791.

It is an arithmetic number, because the mean of its divisors is an integer number (217126791).

Almost surely, 2^434253581 is an apocalyptic number.

It is an amenable number.

434253581 is a deficient number, since it is larger than the sum of its proper divisors (1).

434253581 is an equidigital number, since it uses as much as digits as its factorization.

434253581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 35.

The square root of 434253581 is about 20838.7519060044. The cubic root of 434253581 is about 757.2648573229.

The spelling of 434253581 in words is "four hundred thirty-four million, two hundred fifty-three thousand, five hundred eighty-one".