513254445 has 32 divisors (see below), whose sum is σ = 924770304. Its totient is φ = 240820800.

The previous prime is 513254431. The next prime is 513254461. The reversal of 513254445 is 544452315.

It is not a de Polignac number, because 513254445 - 2⁹ = 513253933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45057 + ... + 55286.

It is an arithmetic number, because the mean of its divisors is an integer number (28899072).

Almost surely, 2^513254445 is an apocalyptic number.

513254445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

513254445 is a deficient number, since it is larger than the sum of its proper divisors (411515859).

513254445 is a wasteful number, since it uses less digits than its factorization.

513254445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100393.

The product of its digits is 48000, while the sum is 33.

The square root of 513254445 is about 22655.1196200770. The cubic root of 513254445 is about 800.6528239021.

The spelling of 513254445 in words is "five hundred thirteen million, two hundred fifty-four thousand, four hundred forty-five".