525745650 has 48 divisors (see below), whose sum is σ = 1323334944. Its totient is φ = 138103680.

The previous prime is 525745643. The next prime is 525745657. The reversal of 525745650 is 56547525.

It is an interprime number because it is at equal distance from previous prime (525745643) and next prime (525745657).

It is a junction number, because it is equal to n+sod(n) for n = 525745599 and 525745608.

It is not an unprimeable number, because it can be changed into a prime (525745657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16107 + ... + 36206.

It is an arithmetic number, because the mean of its divisors is an integer number (27569478).

Almost surely, 2^525745650 is an apocalyptic number.

525745650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

525745650 is an abundant number, since it is smaller than the sum of its proper divisors (797589294).

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

525745650 is a wasteful number, since it uses less digits than its factorization.

525745650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52395 (or 52390 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 39.

The square root of 525745650 is about 22929.1441183486. The cubic root of 525745650 is about 807.0960639517.

The spelling of 525745650 in words is "five hundred twenty-five million, seven hundred forty-five thousand, six hundred fifty".