434252405 has 4 divisors (see below), whose sum is σ = 521102892. Its totient is φ = 347401920.

The previous prime is 434252381. The next prime is 434252447. The reversal of 434252405 is 504252434.

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

It can be written as a sum of positive squares in 2 ways, for example, as 91891396 + 342361009 = 9586^2 + 18503^2 .

It is not a de Polignac number, because 434252405 - 2⁶ = 434252341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43425236 + ... + 43425245.

It is an arithmetic number, because the mean of its divisors is an integer number (130275723).

Almost surely, 2^434252405 is an apocalyptic number.

It is an amenable number.

434252405 is a deficient number, since it is larger than the sum of its proper divisors (86850487).

434252405 is an equidigital number, since it uses as much as digits as its factorization.

434252405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86850486.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 434252405 is about 20838.7236893242. The cubic root of 434252405 is about 757.2641737406.

Adding to 434252405 its sum of digits (29), we get a palindrome (434252434).

The spelling of 434252405 in words is "four hundred thirty-four million, two hundred fifty-two thousand, four hundred five".