513252311 has 16 divisors (see below), whose sum is σ = 606848928. Its totient is φ = 427939200.

The previous prime is 513252307. The next prime is 513252323. The reversal of 513252311 is 113252315.

It is a happy number.

It is not a de Polignac number, because 513252311 - 2² = 513252307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513254311) 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, 11021 + ... + 33881.

It is an arithmetic number, because the mean of its divisors is an integer number (37928058).

Almost surely, 2^513252311 is an apocalyptic number.

513252311 is a deficient number, since it is larger than the sum of its proper divisors (93596617).

513252311 is a wasteful number, since it uses less digits than its factorization.

513252311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23042.

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

The square root of 513252311 is about 22655.0725225059. The cubic root of 513252311 is about 800.6517142540.

The spelling of 513252311 in words is "five hundred thirteen million, two hundred fifty-two thousand, three hundred eleven".