511713045 has 24 divisors (see below), whose sum is σ = 919822176. Its totient is φ = 272912976.

The previous prime is 511713031. The next prime is 511713049. The reversal of 511713045 is 540317115.

It is not a de Polignac number, because 511713045 - 2²¹ = 509615893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511713049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209367 + ... + 211796.

It is an arithmetic number, because the mean of its divisors is an integer number (38325924).

Almost surely, 2^511713045 is an apocalyptic number.

It is an amenable number.

511713045 is a deficient number, since it is larger than the sum of its proper divisors (408109131).

511713045 is an equidigital number, since it uses as much as digits as its factorization.

511713045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421183 (or 421171 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 511713045 is about 22621.0752396963. The cubic root of 511713045 is about 799.8505163409.

The spelling of 511713045 in words is "five hundred eleven million, seven hundred thirteen thousand, forty-five".