512051247 has 16 divisors (see below), whose sum is σ = 759732480. Its totient is φ = 340855416.

The previous prime is 512051233. The next prime is 512051249. The reversal of 512051247 is 742150215.

It is not a de Polignac number, because 512051247 - 2¹¹ = 512049199 is a prime.

It is a super-3 number, since 3×512051247³ (a number of 27 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 512051247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512051249) 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, 4558 + ... + 32324.

It is an arithmetic number, because the mean of its divisors is an integer number (47483280).

Almost surely, 2^512051247 is an apocalyptic number.

512051247 is a deficient number, since it is larger than the sum of its proper divisors (247681233).

512051247 is a wasteful number, since it uses less digits than its factorization.

512051247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28459 (or 28453 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 512051247 is about 22628.5493790477. The cubic root of 512051247 is about 800.0266902554.

The spelling of 512051247 in words is "five hundred twelve million, fifty-one thousand, two hundred forty-seven".