511725432 has 64 divisors (see below), whose sum is σ = 1398297600. Its totient is φ = 155358720.

The previous prime is 511725373. The next prime is 511725437. The reversal of 511725432 is 234527115.

It is a self number, because there is not a number n which added to its sum of digits gives 511725432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511725437) 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, 7582 + ... + 32877.

It is an arithmetic number, because the mean of its divisors is an integer number (21848400).

Almost surely, 2^511725432 is an apocalyptic number.

It is an amenable number.

511725432 is an abundant number, since it is smaller than the sum of its proper divisors (886572168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511725432 is a wasteful number, since it uses less digits than its factorization.

511725432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40516 (or 40512 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 511725432 is about 22621.3490313907. The cubic root of 511725432 is about 799.8569702630.

The spelling of 511725432 in words is "five hundred eleven million, seven hundred twenty-five thousand, four hundred thirty-two".