511474965 has 16 divisors (see below), whose sum is σ = 861432000. Its totient is φ = 258429312.

The previous prime is 511474961. The next prime is 511474969. The reversal of 511474965 is 569474115.

It is an interprime number because it is at equal distance from previous prime (511474961) and next prime (511474969).

It is not a de Polignac number, because 511474965 - 2² = 511474961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511474961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897040 + ... + 897609.

It is an arithmetic number, because the mean of its divisors is an integer number (53839500).

Almost surely, 2^511474965 is an apocalyptic number.

It is an amenable number.

511474965 is a deficient number, since it is larger than the sum of its proper divisors (349957035).

511474965 is a wasteful number, since it uses less digits than its factorization.

511474965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794676.

The product of its digits is 151200, while the sum is 42.

The square root of 511474965 is about 22615.8122781385. The cubic root of 511474965 is about 799.7264507450.

The spelling of 511474965 in words is "five hundred eleven million, four hundred seventy-four thousand, nine hundred sixty-five".