513001423 has 16 divisors (see below), whose sum is σ = 578672640. Its totient is φ = 450554400.

The previous prime is 513001373. The next prime is 513001457. The reversal of 513001423 is 324100315.

It is a cyclic number.

It is not a de Polignac number, because 513001423 - 2¹³ = 512993231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513001423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513001493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312561 + ... + 314197.

It is an arithmetic number, because the mean of its divisors is an integer number (36167040).

Almost surely, 2^513001423 is an apocalyptic number.

513001423 is a deficient number, since it is larger than the sum of its proper divisors (65671217).

513001423 is a wasteful number, since it uses less digits than its factorization.

513001423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 513001423 is about 22649.5347192829. The cubic root of 513001423 is about 800.5212347983.

Adding to 513001423 its reverse (324100315), we get a palindrome (837101738).

The spelling of 513001423 in words is "five hundred thirteen million, one thousand, four hundred twenty-three".