2542502520 has 80 divisors (see below), whose sum is σ = 8545644360. Its totient is φ = 677999808.

The previous prime is 2542502513. The next prime is 2542502539. The reversal of 2542502520 is 252052452.

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 19 ways as a sum of consecutive naturals, for example, 389122 + ... + 395601.

Almost surely, 2^2542502520 is an apocalyptic number.

2542502520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2542502520 is an abundant number, since it is smaller than the sum of its proper divisors (6003141840).

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

2542502520 is a wasteful number, since it uses less digits than its factorization.

2542502520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784746 (or 784733 counting only the distinct ones).

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

The square root of 2542502520 is about 50423.2339304016. The cubic root of 2542502520 is about 1364.8569346496.

Adding to 2542502520 its reverse (252052452), we get a palindrome (2794554972).

The spelling of 2542502520 in words is "two billion, five hundred forty-two million, five hundred two thousand, five hundred twenty".