2548987508 has 6 divisors (see below), whose sum is σ = 4460728146. Its totient is φ = 1274493752.

The previous prime is 2548987499. The next prime is 2548987513. The reversal of 2548987508 is 8057898452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1850548324 + 698439184 = 43018^2 + 26428^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318623435 + ... + 318623442.

It is an arithmetic number, because the mean of its divisors is an integer number (743454691).

Almost surely, 2^2548987508 is an apocalyptic number.

It is an amenable number.

2548987508 is a deficient number, since it is larger than the sum of its proper divisors (1911740638).

2548987508 is a wasteful number, since it uses less digits than its factorization.

2548987508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637246881 (or 637246879 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 56.

The square root of 2548987508 is about 50487.4985318148. The cubic root of 2548987508 is about 1366.0163653202.

The spelling of 2548987508 in words is "two billion, five hundred forty-eight million, nine hundred eighty-seven thousand, five hundred eight".