512452540 has 12 divisors (see below), whose sum is σ = 1076150376. Its totient is φ = 204981008.

The previous prime is 512452531. The next prime is 512452559. The reversal of 512452540 is 45254215.

It is a junction number, because it is equal to n+sod(n) for n = 512452499 and 512452508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12811294 + ... + 12811333.

It is an arithmetic number, because the mean of its divisors is an integer number (89679198).

Almost surely, 2^512452540 is an apocalyptic number.

It is an amenable number.

512452540 is an abundant number, since it is smaller than the sum of its proper divisors (563697836).

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

512452540 is a wasteful number, since it uses less digits than its factorization.

512452540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25622636 (or 25622634 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 512452540 is about 22637.4146050294. The cubic root of 512452540 is about 800.2356285089.

It can be divided in two parts, 5 and 12452540, that added together give a triangular number (12452545 = T₄₉₉₀).

The spelling of 512452540 in words is "five hundred twelve million, four hundred fifty-two thousand, five hundred forty".