513311045 has 16 divisors (see below), whose sum is σ = 663828480. Its totient is φ = 378790464.

The previous prime is 513311023. The next prime is 513311047. The reversal of 513311045 is 540113315.

It is not a de Polignac number, because 513311045 - 2⁶ = 513310981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513311045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513311047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173186 + ... + 176124.

It is an arithmetic number, because the mean of its divisors is an integer number (41489280).

Almost surely, 2^513311045 is an apocalyptic number.

It is an amenable number.

513311045 is a deficient number, since it is larger than the sum of its proper divisors (150517435).

513311045 is a wasteful number, since it uses less digits than its factorization.

513311045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 513311045 is about 22656.3687514129. The cubic root of 513311045 is about 800.6822539341.

The spelling of 513311045 in words is "five hundred thirteen million, three hundred eleven thousand, forty-five".