2547247332 has 48 divisors (see below), whose sum is σ = 7087997952. Its totient is φ = 696141600.

The previous prime is 2547247319. The next prime is 2547247337. The reversal of 2547247332 is 2337427452.

It is a super-2 number, since 2×2547247332² = 12976937940762236448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2547247337) 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, 657294 + ... + 661157.

It is an arithmetic number, because the mean of its divisors is an integer number (147666624).

Almost surely, 2^2547247332 is an apocalyptic number.

It is an amenable number.

2547247332 is an abundant number, since it is smaller than the sum of its proper divisors (4540750620).

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

2547247332 is a wasteful number, since it uses less digits than its factorization.

2547247332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318488 (or 1318486 counting only the distinct ones).

The product of its digits is 282240, while the sum is 39.

The square root of 2547247332 is about 50470.2618578505. The cubic root of 2547247332 is about 1365.7054379373.

The spelling of 2547247332 in words is "two billion, five hundred forty-seven million, two hundred forty-seven thousand, three hundred thirty-two".