2505521450 has 48 divisors (see below), whose sum is σ = 4914997920. Its totient is φ = 947632320.

The previous prime is 2505521437. The next prime is 2505521479. The reversal of 2505521450 is 541255052.

2505521450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 555404 + ... + 559896.

It is an arithmetic number, because the mean of its divisors is an integer number (102395790).

Almost surely, 2^2505521450 is an apocalyptic number.

2505521450 is a deficient number, since it is larger than the sum of its proper divisors (2409476470).

2505521450 is a wasteful number, since it uses less digits than its factorization.

2505521450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111 (or 5106 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 2505521450 is about 50055.1840472093. The cubic root of 2505521450 is about 1358.2072416944.

The spelling of 2505521450 in words is "two billion, five hundred five million, five hundred twenty-one thousand, four hundred fifty".