511320632 has 16 divisors (see below), whose sum is σ = 962268000. Its totient is φ = 254715840.

The previous prime is 511320631. The next prime is 511320637. The reversal of 511320632 is 236023115.

It is a super-2 number, since 2×511320632² = 522897577417758848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511320598 and 511320607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511320631) 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, 115757 + ... + 120092.

It is an arithmetic number, because the mean of its divisors is an integer number (60141750).

Almost surely, 2^511320632 is an apocalyptic number.

It is an amenable number.

511320632 is a deficient number, since it is larger than the sum of its proper divisors (450947368).

511320632 is a wasteful number, since it uses less digits than its factorization.

511320632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236126 (or 236122 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 511320632 is about 22612.3999610833. The cubic root of 511320632 is about 799.6460058833.

Adding to 511320632 its reverse (236023115), we get a palindrome (747343747).

The spelling of 511320632 in words is "five hundred eleven million, three hundred twenty thousand, six hundred thirty-two".