431425369 has 2 divisors, whose sum is σ = 431425370. Its totient is φ = 431425368.

The previous prime is 431425339. The next prime is 431425483. The reversal of 431425369 is 963524134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257185369 + 174240000 = 16037^2 + 13200^2 .

It is a cyclic number.

It is not a de Polignac number, because 431425369 - 2²⁷ = 297207641 is a prime.

It is a super-2 number, since 2×431425369² = 372255698033572322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (431425339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215712684 + 215712685.

It is an arithmetic number, because the mean of its divisors is an integer number (215712685).

Almost surely, 2^431425369 is an apocalyptic number.

It is an amenable number.

431425369 is a deficient number, since it is larger than the sum of its proper divisors (1).

431425369 is an equidigital number, since it uses as much as digits as its factorization.

431425369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The square root of 431425369 is about 20770.7816174548. The cubic root of 431425369 is about 755.6173007986.

The spelling of 431425369 in words is "four hundred thirty-one million, four hundred twenty-five thousand, three hundred sixty-nine".