513001445 has 16 divisors (see below), whose sum is σ = 694725120. Its totient is φ = 360225600.

The previous prime is 513001373. The next prime is 513001457. The reversal of 513001445 is 544100315.

It is not a de Polignac number, because 513001445 - 2¹⁴ = 512985061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513001445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159221 + ... + 162410.

It is an arithmetic number, because the mean of its divisors is an integer number (43420320).

Almost surely, 2^513001445 is an apocalyptic number.

513001445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

513001445 is a deficient number, since it is larger than the sum of its proper divisors (181723675).

513001445 is a wasteful number, since it uses less digits than its factorization.

513001445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321676.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 513001445 is about 22649.5352049441. The cubic root of 513001445 is about 800.5212462417.

The spelling of 513001445 in words is "five hundred thirteen million, one thousand, four hundred forty-five".