511097 has 4 divisors (see below), whose sum is σ = 527616. Its totient is φ = 494580.

The previous prime is 511087. The next prime is 511109. The reversal of 511097 is 790115.

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 511097 - 2⁶ = 511033 is a prime.

It is a super-2 number, since 2×511097² = 522440286818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511057) 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, 8213 + ... + 8274.

It is an arithmetic number, because the mean of its divisors is an integer number (131904).

2⁵¹¹⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

511097 is a deficient number, since it is larger than the sum of its proper divisors (16519).

511097 is a wasteful number, since it uses less digits than its factorization.

511097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16518.

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 511097 is about 714.9104839069. The cubic root of 511097 is about 79.9529410736.

The spelling of 511097 in words is "five hundred eleven thousand, ninety-seven".