511140601 has 4 divisors (see below), whose sum is σ = 511229952. Its totient is φ = 511051252.

The previous prime is 511140593. The next prime is 511140653. The reversal of 511140601 is 106041115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 511140601 - 2³ = 511140593 is a prime.

It is a super-2 number, since 2×511140601² = 522529427981282402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511140001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35461 + ... + 47746.

It is an arithmetic number, because the mean of its divisors is an integer number (127807488).

Almost surely, 2^511140601 is an apocalyptic number.

It is an amenable number.

511140601 is a deficient number, since it is larger than the sum of its proper divisors (89351).

511140601 is an equidigital number, since it uses as much as digits as its factorization.

511140601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89350.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 511140601 is about 22608.4188080458. The cubic root of 511140601 is about 799.5521456841.

Adding to 511140601 its reverse (106041115), we get a palindrome (617181716).

The spelling of 511140601 in words is "five hundred eleven million, one hundred forty thousand, six hundred one".