264738503 has 2 divisors, whose sum is σ = 264738504. Its totient is φ = 264738502.

The previous prime is 264738497. The next prime is 264738541. The reversal of 264738503 is 305837462.

It is an a-pointer prime, because the next prime (264738541) can be obtained adding 264738503 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264738503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264738553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132369251 + 132369252.

It is an arithmetic number, because the mean of its divisors is an integer number (132369252).

Almost surely, 2^264738503 is an apocalyptic number.

264738503 is a deficient number, since it is larger than the sum of its proper divisors (1).

264738503 is an equidigital number, since it uses as much as digits as its factorization.

264738503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 264738503 is about 16270.7867972019. The cubic root of 264738503 is about 642.1044842771.

The spelling of 264738503 in words is "two hundred sixty-four million, seven hundred thirty-eight thousand, five hundred three".