430012981 has 2 divisors, whose sum is σ = 430012982. Its totient is φ = 430012980.

The previous prime is 430012967. The next prime is 430012987. The reversal of 430012981 is 189210034.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378302500 + 51710481 = 19450^2 + 7191^2 .

It is a cyclic number.

It is not a de Polignac number, because 430012981 - 2²⁵ = 396458549 is a prime.

It is a super-2 number, since 2×430012981² = 369822327657012722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430012987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215006490 + 215006491.

It is an arithmetic number, because the mean of its divisors is an integer number (215006491).

Almost surely, 2^430012981 is an apocalyptic number.

It is an amenable number.

430012981 is a deficient number, since it is larger than the sum of its proper divisors (1).

430012981 is an equidigital number, since it uses as much as digits as its factorization.

430012981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 430012981 is about 20736.7543506692. The cubic root of 430012981 is about 754.7918265881.

The spelling of 430012981 in words is "four hundred thirty million, twelve thousand, nine hundred eighty-one".