512134521 has 8 divisors (see below), whose sum is σ = 682956384. Its totient is φ = 341367840.

The previous prime is 512134517. The next prime is 512134523. The reversal of 512134521 is 125431215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 512134521 - 2² = 512134517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 512134491 and 512134500.

It is not an unprimeable number, because it can be changed into a prime (512134523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19005 + ... + 37221.

It is an arithmetic number, because the mean of its divisors is an integer number (85369548).

Almost surely, 2^512134521 is an apocalyptic number.

It is an amenable number.

512134521 is a deficient number, since it is larger than the sum of its proper divisors (170821863).

512134521 is a wasteful number, since it uses less digits than its factorization.

512134521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27591.

The product of its digits is 1200, while the sum is 24.

The square root of 512134521 is about 22630.3893249763. The cubic root of 512134521 is about 800.0700568857.

Adding to 512134521 its reverse (125431215), we get a palindrome (637565736).

The spelling of 512134521 in words is "five hundred twelve million, one hundred thirty-four thousand, five hundred twenty-one".