461660503 has 2 divisors, whose sum is σ = 461660504. Its totient is φ = 461660502.

The previous prime is 461660501. The next prime is 461660509. The reversal of 461660503 is 305066164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461660503 - 2¹ = 461660501 is a prime.

Together with 461660501, it forms a pair of twin primes.

It is equal to p_24437740 and since 461660503 and 24437740 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461660501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230830251 + 230830252.

It is an arithmetic number, because the mean of its divisors is an integer number (230830252).

Almost surely, 2^461660503 is an apocalyptic number.

461660503 is a deficient number, since it is larger than the sum of its proper divisors (1).

461660503 is an equidigital number, since it uses as much as digits as its factorization.

461660503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 461660503 is about 21486.2863938839. The cubic root of 461660503 is about 772.8719995221.

The spelling of 461660503 in words is "four hundred sixty-one million, six hundred sixty thousand, five hundred three".