503136061 has 2 divisors, whose sum is σ = 503136062. Its totient is φ = 503136060.

The previous prime is 503136059. The next prime is 503136083. The reversal of 503136061 is 160631305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490844025 + 12292036 = 22155^2 + 3506^2 .

It is a cyclic number.

It is not a de Polignac number, because 503136061 - 2¹ = 503136059 is a prime.

Together with 503136059, 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 (503136001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251568030 + 251568031.

It is an arithmetic number, because the mean of its divisors is an integer number (251568031).

Almost surely, 2^503136061 is an apocalyptic number.

It is an amenable number.

503136061 is a deficient number, since it is larger than the sum of its proper divisors (1).

503136061 is an equidigital number, since it uses as much as digits as its factorization.

503136061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 503136061 is about 22430.6946169752. The cubic root of 503136061 is about 795.3564642224.

Adding to 503136061 its reverse (160631305), we get a palindrome (663767366).

The spelling of 503136061 in words is "five hundred three million, one hundred thirty-six thousand, sixty-one".