512451061 has 4 divisors (see below), whose sum is σ = 514445292. Its totient is φ = 510456832.

The previous prime is 512451019. The next prime is 512451127. The reversal of 512451061 is 160154215.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 247086961 + 265364100 = 15719^2 + 16290^2 .

It is a cyclic number.

It is not a de Polignac number, because 512451061 - 2¹¹ = 512449013 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 (512451361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996730 + ... + 997243.

It is an arithmetic number, because the mean of its divisors is an integer number (128611323).

Almost surely, 2^512451061 is an apocalyptic number.

It is an amenable number.

512451061 is a deficient number, since it is larger than the sum of its proper divisors (1994231).

512451061 is a wasteful number, since it uses less digits than its factorization.

512451061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994230.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 512451061 is about 22637.3819378478. The cubic root of 512451061 is about 800.2348586492.

The spelling of 512451061 in words is "five hundred twelve million, four hundred fifty-one thousand, sixty-one".