435103421 has 2 divisors, whose sum is σ = 435103422. Its totient is φ = 435103420.

The previous prime is 435103399. The next prime is 435103441. The reversal of 435103421 is 124301534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423124900 + 11978521 = 20570^2 + 3461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-435103421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (435103441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217551710 + 217551711.

It is an arithmetic number, because the mean of its divisors is an integer number (217551711).

Almost surely, 2^435103421 is an apocalyptic number.

It is an amenable number.

435103421 is a deficient number, since it is larger than the sum of its proper divisors (1).

435103421 is an equidigital number, since it uses as much as digits as its factorization.

435103421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 435103421 is about 20859.1327959721. The cubic root of 435103421 is about 757.7585278692.

Adding to 435103421 its reverse (124301534), we get a palindrome (559404955).

The spelling of 435103421 in words is "four hundred thirty-five million, one hundred three thousand, four hundred twenty-one".