462503981 has 2 divisors, whose sum is σ = 462503982. Its totient is φ = 462503980.

The previous prime is 462503963. The next prime is 462504019. The reversal of 462503981 is 189305264.

It is a happy number.

It is an a-pointer prime, because the next prime (462504019) can be obtained adding 462503981 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444577225 + 17926756 = 21085^2 + 4234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-462503981 is a prime.

It is a super-2 number, since 2×462503981² = 427819864881696722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (462503381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231251990 + 231251991.

It is an arithmetic number, because the mean of its divisors is an integer number (231251991).

Almost surely, 2^462503981 is an apocalyptic number.

It is an amenable number.

462503981 is a deficient number, since it is larger than the sum of its proper divisors (1).

462503981 is an equidigital number, since it uses as much as digits as its factorization.

462503981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 462503981 is about 21505.9057237774. The cubic root of 462503981 is about 773.3424057390.

The spelling of 462503981 in words is "four hundred sixty-two million, five hundred three thousand, nine hundred eighty-one".