511010242 has 8 divisors (see below), whose sum is σ = 811604556. Its totient is φ = 240475392.

The previous prime is 511010209. The next prime is 511010249. The reversal of 511010242 is 242010115.

It can be written as a sum of positive squares in 2 ways, for example, as 395254161 + 115756081 = 19881^2 + 10759^2 .

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

It is a super-2 number, since 2×511010242² = 522262934857797128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511010249) 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, 7514823 + ... + 7514890.

Almost surely, 2^511010242 is an apocalyptic number.

511010242 is a deficient number, since it is larger than the sum of its proper divisors (300594314).

511010242 is a wasteful number, since it uses less digits than its factorization.

511010242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15029732.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 511010242 is about 22605.5356494820. The cubic root of 511010242 is about 799.4841685105.

Adding to 511010242 its reverse (242010115), we get a palindrome (753020357).

The spelling of 511010242 in words is "five hundred eleven million, ten thousand, two hundred forty-two".