503516249 has 2 divisors, whose sum is σ = 503516250. Its totient is φ = 503516248.

The previous prime is 503516231. The next prime is 503516287. The reversal of 503516249 is 942615305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439195849 + 64320400 = 20957^2 + 8020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503516249 is a prime.

It is a super-2 number, since 2×503516249² = 507057226014060002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (503516749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251758124 + 251758125.

It is an arithmetic number, because the mean of its divisors is an integer number (251758125).

Almost surely, 2^503516249 is an apocalyptic number.

It is an amenable number.

503516249 is a deficient number, since it is larger than the sum of its proper divisors (1).

503516249 is an equidigital number, since it uses as much as digits as its factorization.

503516249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 503516249 is about 22439.1677430336. The cubic root of 503516249 is about 795.5567472568.

The spelling of 503516249 in words is "five hundred three million, five hundred sixteen thousand, two hundred forty-nine".