512206516 has 6 divisors (see below), whose sum is σ = 896361410. Its totient is φ = 256103256.

The previous prime is 512206489. The next prime is 512206543. The reversal of 512206516 is 615602215.

It is an interprime number because it is at equal distance from previous prime (512206489) and next prime (512206543).

It can be written as a sum of positive squares in only one way, i.e., 497736100 + 14470416 = 22310^2 + 3804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64025811 + ... + 64025818.

Almost surely, 2^512206516 is an apocalyptic number.

It is an amenable number.

512206516 is a deficient number, since it is larger than the sum of its proper divisors (384154894).

512206516 is a wasteful number, since it uses less digits than its factorization.

512206516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128051633 (or 128051631 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 512206516 is about 22631.9799398992. The cubic root of 512206516 is about 800.1075459584.

The spelling of 512206516 in words is "five hundred twelve million, two hundred six thousand, five hundred sixteen".