2547120654 has 96 divisors (see below), whose sum is σ = 6314372064. Its totient is φ = 764536320.

The previous prime is 2547120649. The next prime is 2547120689. The reversal of 2547120654 is 4560217452.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 254122 + ... + 263954.

It is an arithmetic number, because the mean of its divisors is an integer number (65774709).

Almost surely, 2^2547120654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2547120654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3157186032).

2547120654 is an abundant number, since it is smaller than the sum of its proper divisors (3767251410).

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

2547120654 is a wasteful number, since it uses less digits than its factorization.

2547120654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9904 (or 9892 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 2547120654 is about 50469.0068656002. The cubic root of 2547120654 is about 1365.6827981123.

It can be divided in two parts, 2547 and 120654, that added together give a square (123201 = 351²).

The spelling of 2547120654 in words is "two billion, five hundred forty-seven million, one hundred twenty thousand, six hundred fifty-four".