511053121 has 4 divisors (see below), whose sum is σ = 511126272. Its totient is φ = 510979972.

The previous prime is 511053097. The next prime is 511053187. The reversal of 511053121 is 121350115.

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 511053121 - 2⁹ = 511052609 is a prime.

It is a super-2 number, since 2×511053121² = 522350584967681282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511050121) 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, 24841 + ... + 40486.

It is an arithmetic number, because the mean of its divisors is an integer number (127781568).

Almost surely, 2^511053121 is an apocalyptic number.

It is an amenable number.

511053121 is a deficient number, since it is larger than the sum of its proper divisors (73151).

511053121 is an equidigital number, since it uses as much as digits as its factorization.

511053121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73150.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 511053121 is about 22606.4840477240. The cubic root of 511053121 is about 799.5065295254.

The spelling of 511053121 in words is "five hundred eleven million, fifty-three thousand, one hundred twenty-one".