6523505225 has 24 divisors (see below), whose sum is σ = 8146323840. Its totient is φ = 5182056000.

The previous prime is 6523505221. The next prime is 6523505231. The reversal of 6523505225 is 5225053256.

It is not a de Polignac number, because 6523505225 - 2² = 6523505221 is a prime.

It is a super-2 number, since 2×6523505225² = 85112240841204601250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6523505221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2241071 + ... + 2243979.

It is an arithmetic number, because the mean of its divisors is an integer number (339430160).

Almost surely, 2^6523505225 is an apocalyptic number.

It is an amenable number.

6523505225 is a deficient number, since it is larger than the sum of its proper divisors (1622818615).

6523505225 is a wasteful number, since it uses less digits than its factorization.

6523505225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521 (or 3516 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 6523505225 is about 80768.2191520898. The cubic root of 6523505225 is about 1868.5024495077.

The spelling of 6523505225 in words is "six billion, five hundred twenty-three million, five hundred five thousand, two hundred twenty-five".