512401151 has 4 divisors (see below), whose sum is σ = 513692232. Its totient is φ = 511110072.

The previous prime is 512401147. The next prime is 512401187. The reversal of 512401151 is 151104215.

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

It is a cyclic number.

It is not a de Polignac number, because 512401151 - 2² = 512401147 is a prime.

It is a super-2 number, since 2×512401151² = 525109879092249602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512401111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644945 + ... + 645738.

It is an arithmetic number, because the mean of its divisors is an integer number (128423058).

Almost surely, 2^512401151 is an apocalyptic number.

512401151 is a deficient number, since it is larger than the sum of its proper divisors (1291081).

512401151 is a wasteful number, since it uses less digits than its factorization.

512401151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291080.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 512401151 is about 22636.2795308770. The cubic root of 512401151 is about 800.2088782701.

Adding to 512401151 its reverse (151104215), we get a palindrome (663505366).

The spelling of 512401151 in words is "five hundred twelve million, four hundred one thousand, one hundred fifty-one".