513145183 has 2 divisors, whose sum is σ = 513145184. Its totient is φ = 513145182.

The previous prime is 513145159. The next prime is 513145231. The reversal of 513145183 is 381541315.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513145183 is a prime.

It is a super-2 number, since 2×513145183² = 526635957672206978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513145133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256572591 + 256572592.

It is an arithmetic number, because the mean of its divisors is an integer number (256572592).

Almost surely, 2^513145183 is an apocalyptic number.

513145183 is a deficient number, since it is larger than the sum of its proper divisors (1).

513145183 is an equidigital number, since it uses as much as digits as its factorization.

513145183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 31.

The square root of 513145183 is about 22652.7080721048. The cubic root of 513145183 is about 800.5960053409.

Adding to 513145183 its reverse (381541315), we get a palindrome (894686498).

The spelling of 513145183 in words is "five hundred thirteen million, one hundred forty-five thousand, one hundred eighty-three".