245516503 has 2 divisors, whose sum is σ = 245516504. Its totient is φ = 245516502.

The previous prime is 245516501. The next prime is 245516507. The reversal of 245516503 is 305615542.

245516503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245516503 - 2¹ = 245516501 is a prime.

Together with 245516501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245516501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122758251 + 122758252.

It is an arithmetic number, because the mean of its divisors is an integer number (122758252).

Almost surely, 2^245516503 is an apocalyptic number.

245516503 is a deficient number, since it is larger than the sum of its proper divisors (1).

245516503 is an equidigital number, since it uses as much as digits as its factorization.

245516503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 245516503 is about 15668.9662390344. The cubic root of 245516503 is about 626.1718838877.

The spelling of 245516503 in words is "two hundred forty-five million, five hundred sixteen thousand, five hundred three".