525195140 has 24 divisors (see below), whose sum is σ = 1103360832. Its totient is φ = 209992160.

The previous prime is 525195137. The next prime is 525195157. The reversal of 525195140 is 41591525.

It is a junction number, because it is equal to n+sod(n) for n = 525195097 and 525195106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71855 + ... + 78825.

It is an arithmetic number, because the mean of its divisors is an integer number (45973368).

Almost surely, 2^525195140 is an apocalyptic number.

It is an amenable number.

525195140 is an abundant number, since it is smaller than the sum of its proper divisors (578165692).

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

525195140 is a wasteful number, since it uses less digits than its factorization.

525195140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10747 (or 10745 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 525195140 is about 22917.1363830650. The cubic root of 525195140 is about 806.8142612552.

The spelling of 525195140 in words is "five hundred twenty-five million, one hundred ninety-five thousand, one hundred forty".