2547205732 has 12 divisors (see below), whose sum is σ = 4524142000. Its totient is φ = 1254593736.

The previous prime is 2547205723. The next prime is 2547205733. The reversal of 2547205732 is 2375027452.

2547205732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2547205732² = 12976514082267311648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2547205691 and 2547205700.

It is not an unprimeable number, because it can be changed into a prime (2547205733) 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, 4751982 + ... + 4752517.

Almost surely, 2^2547205732 is an apocalyptic number.

It is an amenable number.

2547205732 is a deficient number, since it is larger than the sum of its proper divisors (1976936268).

2547205732 is a wasteful number, since it uses less digits than its factorization.

2547205732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504570 (or 9504568 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 2547205732 is about 50469.8497322907. The cubic root of 2547205732 is about 1365.6980032901.

The spelling of 2547205732 in words is "two billion, five hundred forty-seven million, two hundred five thousand, seven hundred thirty-two".