434525405 has 4 divisors (see below), whose sum is σ = 521430492. Its totient is φ = 347620320.

The previous prime is 434525393. The next prime is 434525417. The reversal of 434525405 is 504525434.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (434525393) and next prime (434525417).

It can be written as a sum of positive squares in 2 ways, for example, as 228947161 + 205578244 = 15131^2 + 14338^2 .

It is not a de Polignac number, because 434525405 - 2²⁴ = 417748189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 43452536 + ... + 43452545.

It is an arithmetic number, because the mean of its divisors is an integer number (130357623).

Almost surely, 2^434525405 is an apocalyptic number.

It is an amenable number.

434525405 is a deficient number, since it is larger than the sum of its proper divisors (86905087).

434525405 is an equidigital number, since it uses as much as digits as its factorization.

434525405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86905086.

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 434525405 is about 20845.2729653512. The cubic root of 434525405 is about 757.4228294057.

The spelling of 434525405 in words is "four hundred thirty-four million, five hundred twenty-five thousand, four hundred five".