525575250 has 64 divisors (see below), whose sum is σ = 1457614080. Its totient is φ = 140151600.

The previous prime is 525575249. The next prime is 525575251. The reversal of 525575250 is 52575525.

525575250 is a `hidden beast` number, since 5 + 2 + 557 + 52 + 50 = 666.

It is an interprime number because it is at equal distance from previous prime (525575249) and next prime (525575251).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525575251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32182 + ... + 45681.

It is an arithmetic number, because the mean of its divisors is an integer number (22775220).

Almost surely, 2^525575250 is an apocalyptic number.

525575250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

525575250 is an abundant number, since it is smaller than the sum of its proper divisors (932038830).

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

525575250 is a wasteful number, since it uses less digits than its factorization.

525575250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77889 (or 77873 counting only the distinct ones).

The product of its (nonzero) digits is 87500, while the sum is 36.

The square root of 525575250 is about 22925.4280221766. The cubic root of 525575250 is about 807.0088582657.

It can be divided in two parts, 525575 and 250, that added together give a triangular number (525825 = T₁₀₂₅).

The spelling of 525575250 in words is "five hundred twenty-five million, five hundred seventy-five thousand, two hundred fifty".