462308681 has 2 divisors, whose sum is σ = 462308682. Its totient is φ = 462308680.

The previous prime is 462308657. The next prime is 462308683. The reversal of 462308681 is 186803264.

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., 327284281 + 135024400 = 18091^2 + 11620^2 .

It is a cyclic number.

It is not a de Polignac number, because 462308681 - 2²⁶ = 395199817 is a prime.

It is a super-2 number, since 2×462308681² = 427458633055919522, which contains 22 as substring.

Together with 462308683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (462308683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231154340 + 231154341.

It is an arithmetic number, because the mean of its divisors is an integer number (231154341).

Almost surely, 2^462308681 is an apocalyptic number.

It is an amenable number.

462308681 is a deficient number, since it is larger than the sum of its proper divisors (1).

462308681 is an equidigital number, since it uses as much as digits as its factorization.

462308681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 462308681 is about 21501.3646311112. The cubic root of 462308681 is about 773.2335381819.

The spelling of 462308681 in words is "four hundred sixty-two million, three hundred eight thousand, six hundred eighty-one".