2547512552 has 64 divisors (see below), whose sum is σ = 5470987200. Its totient is φ = 1102325760.

The previous prime is 2547512549. The next prime is 2547512557. The reversal of 2547512552 is 2552157452.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (2547512557) 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, 185027 + ... + 198317.

It is an arithmetic number, because the mean of its divisors is an integer number (85484175).

Almost surely, 2^2547512552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2547512552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2735493600).

2547512552 is an abundant number, since it is smaller than the sum of its proper divisors (2923474648).

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

2547512552 is a wasteful number, since it uses less digits than its factorization.

2547512552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13426 (or 13422 counting only the distinct ones).

The product of its digits is 140000, while the sum is 38.

The square root of 2547512552 is about 50472.8892773140. The cubic root of 2547512552 is about 1365.7528354843.

The spelling of 2547512552 in words is "two billion, five hundred forty-seven million, five hundred twelve thousand, five hundred fifty-two".