1672865503 has 2 divisors, whose sum is σ = 1672865504. Its totient is φ = 1672865502.

The previous prime is 1672865483. The next prime is 1672865543. The reversal of 1672865503 is 3055682761.

It is a weak prime.

It is an emirp because it is prime and its reverse (3055682761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1672865503 - 2⁵ = 1672865471 is a prime.

It is a super-2 number, since 2×1672865503² = 5596957982254886018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1672865503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1672865543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836432751 + 836432752.

It is an arithmetic number, because the mean of its divisors is an integer number (836432752).

Almost surely, 2^1672865503 is an apocalyptic number.

1672865503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672865503 is an equidigital number, since it uses as much as digits as its factorization.

1672865503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 1672865503 is about 40900.6785151542. The cubic root of 1672865503 is about 1187.0991895407.

The spelling of 1672865503 in words is "one billion, six hundred seventy-two million, eight hundred sixty-five thousand, five hundred three".