2505552620 has 24 divisors (see below), whose sum is σ = 5264832384. Its totient is φ = 1001616896.

The previous prime is 2505552619. The next prime is 2505552631. The reversal of 2505552620 is 262555052.

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, 2972 + ... + 70851.

It is an arithmetic number, because the mean of its divisors is an integer number (219368016).

Almost surely, 2^2505552620 is an apocalyptic number.

2505552620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2505552620 is an abundant number, since it is smaller than the sum of its proper divisors (2759279764).

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

2505552620 is a wasteful number, since it uses less digits than its factorization.

2505552620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75529 (or 75527 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 2505552620 is about 50055.4954026029. The cubic root of 2505552620 is about 1358.2128739410.

The spelling of 2505552620 in words is "two billion, five hundred five million, five hundred fifty-two thousand, six hundred twenty".