2505424520 has 32 divisors (see below), whose sum is σ = 5651731800. Its totient is φ = 999587328.

The previous prime is 2505424517. The next prime is 2505424547. The reversal of 2505424520 is 254245052.

2505424520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 963605764 + 1541818756 = 31042^2 + 39266^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64949 + ... + 96068.

Almost surely, 2^2505424520 is an apocalyptic number.

2505424520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2505424520 is an abundant number, since it is smaller than the sum of its proper divisors (3146307280).

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

2505424520 is a wasteful number, since it uses less digits than its factorization.

2505424520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161417 (or 161413 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 2505424520 is about 50054.2158064633. The cubic root of 2505424520 is about 1358.1897266810.

Adding to 2505424520 its reverse (254245052), we get a palindrome (2759669572).

The spelling of 2505424520 in words is "two billion, five hundred five million, four hundred twenty-four thousand, five hundred twenty".