513424189 has 2 divisors, whose sum is σ = 513424190. Its totient is φ = 513424188.

The previous prime is 513424151. The next prime is 513424211. The reversal of 513424189 is 981424315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496532089 + 16892100 = 22283^2 + 4110^2 .

It is a cyclic number.

It is not a de Polignac number, because 513424189 - 2¹⁵ = 513391421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513424489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256712094 + 256712095.

It is an arithmetic number, because the mean of its divisors is an integer number (256712095).

Almost surely, 2^513424189 is an apocalyptic number.

It is an amenable number.

513424189 is a deficient number, since it is larger than the sum of its proper divisors (1).

513424189 is an equidigital number, since it uses as much as digits as its factorization.

513424189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 513424189 is about 22658.8655717801. The cubic root of 513424189 is about 800.7410783957.

The spelling of 513424189 in words is "five hundred thirteen million, four hundred twenty-four thousand, one hundred eighty-nine".