538946503 has 2 divisors, whose sum is σ = 538946504. Its totient is φ = 538946502.

The previous prime is 538946497. The next prime is 538946567. The reversal of 538946503 is 305649835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538946503 - 2²⁵ = 505392071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538946503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538946003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269473251 + 269473252.

It is an arithmetic number, because the mean of its divisors is an integer number (269473252).

Almost surely, 2^538946503 is an apocalyptic number.

538946503 is a deficient number, since it is larger than the sum of its proper divisors (1).

538946503 is an equidigital number, since it uses as much as digits as its factorization.

538946503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 538946503 is about 23215.2213644410. The cubic root of 538946503 is about 813.7953789653.

The spelling of 538946503 in words is "five hundred thirty-eight million, nine hundred forty-six thousand, five hundred three".