511230351 has 4 divisors (see below), whose sum is σ = 681640472. Its totient is φ = 340820232.

The previous prime is 511230347. The next prime is 511230367. The reversal of 511230351 is 153032115.

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

It is not a de Polignac number, because 511230351 - 2² = 511230347 is a prime.

It is a super-2 number, since 2×511230351² = 522712943567166402, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511230451) 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, 85205056 + ... + 85205061.

It is an arithmetic number, because the mean of its divisors is an integer number (170410118).

Almost surely, 2^511230351 is an apocalyptic number.

511230351 is a deficient number, since it is larger than the sum of its proper divisors (170410121).

511230351 is a wasteful number, since it uses less digits than its factorization.

511230351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170410120.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 511230351 is about 22610.4036009975. The cubic root of 511230351 is about 799.5989401181.

Adding to 511230351 its reverse (153032115), we get a palindrome (664262466).

The spelling of 511230351 in words is "five hundred eleven million, two hundred thirty thousand, three hundred fifty-one".