2505004542 has 20 divisors (see below), whose sum is σ = 5613066096. Its totient is φ = 835001460.

The previous prime is 2505004531. The next prime is 2505004571. The reversal of 2505004542 is 2454005052.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7731334 + ... + 7731657.

Almost surely, 2^2505004542 is an apocalyptic number.

2505004542 is an abundant number, since it is smaller than the sum of its proper divisors (3108061554).

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

2505004542 is a wasteful number, since it uses less digits than its factorization.

2505004542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15463005 (or 15462996 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 2505004542 is about 50050.0203995962. The cubic root of 2505004542 is about 1358.1138324662.

Adding to 2505004542 its reverse (2454005052), we get a palindrome (4959009594).

The spelling of 2505004542 in words is "two billion, five hundred five million, four thousand, five hundred forty-two".