512027421 has 8 divisors (see below), whose sum is σ = 689084064. Its totient is φ = 338161200.

The previous prime is 512027419. The next prime is 512027441. The reversal of 512027421 is 124720215.

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

It is not a de Polignac number, because 512027421 - 2¹ = 512027419 is a prime.

It is a super-2 number, since 2×512027421² = 524344159711822482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512027391 and 512027400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512027441) 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, 797230 + ... + 797871.

It is an arithmetic number, because the mean of its divisors is an integer number (86135508).

Almost surely, 2^512027421 is an apocalyptic number.

It is an amenable number.

512027421 is a deficient number, since it is larger than the sum of its proper divisors (177056643).

512027421 is a wasteful number, since it uses less digits than its factorization.

512027421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595211.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 512027421 is about 22628.0229140771. The cubic root of 512027421 is about 800.0142815159.

Adding to 512027421 its reverse (124720215), we get a palindrome (636747636).

The spelling of 512027421 in words is "five hundred twelve million, twenty-seven thousand, four hundred twenty-one".