462436981 has 2 divisors, whose sum is σ = 462436982. Its totient is φ = 462436980.

The previous prime is 462436979. The next prime is 462437021. The reversal of 462436981 is 189634264.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462035025 + 401956 = 21495^2 + 634^2 .

It is a cyclic number.

It is not a de Polignac number, because 462436981 - 2¹ = 462436979 is a prime.

It is a super-2 number, since 2×462436981² = 427695922792788722, which contains 22 as substring.

Together with 462436979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (462433981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231218490 + 231218491.

It is an arithmetic number, because the mean of its divisors is an integer number (231218491).

Almost surely, 2^462436981 is an apocalyptic number.

It is an amenable number.

462436981 is a deficient number, since it is larger than the sum of its proper divisors (1).

462436981 is an equidigital number, since it uses as much as digits as its factorization.

462436981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The square root of 462436981 is about 21504.3479557042. The cubic root of 462436981 is about 773.3050608760.

The spelling of 462436981 in words is "four hundred sixty-two million, four hundred thirty-six thousand, nine hundred eighty-one".