430649 has 2 divisors, whose sum is σ = 430650. Its totient is φ = 430648.

The previous prime is 430603. The next prime is 430663. The reversal of 430649 is 946034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336400 + 94249 = 580^2 + 307^2 .

It is a cyclic number.

It is not a de Polignac number, because 430649 - 2⁸ = 430393 is a prime.

It is a super-2 number, since 2×430649² = 370917122402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (430699) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215324 + 215325.

It is an arithmetic number, because the mean of its divisors is an integer number (215325).

2⁴³⁰⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

430649 is a deficient number, since it is larger than the sum of its proper divisors (1).

430649 is an equidigital number, since it uses as much as digits as its factorization.

430649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 430649 is about 656.2385237092. The cubic root of 430649 is about 75.5163773077.

The spelling of 430649 in words is "four hundred thirty thousand, six hundred forty-nine".