525614540 has 48 divisors (see below), whose sum is σ = 1209509280. Its totient is φ = 190279680.

The previous prime is 525614513. The next prime is 525614543. The reversal of 525614540 is 45416525.

It is a junction number, because it is equal to n+sod(n) for n = 525614497 and 525614506.

It is not an unprimeable number, because it can be changed into a prime (525614543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 45164 + ... + 55596.

It is an arithmetic number, because the mean of its divisors is an integer number (25198110).

Almost surely, 2^525614540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525614540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604754640).

525614540 is an abundant number, since it is smaller than the sum of its proper divisors (683894740).

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

525614540 is a wasteful number, since it uses less digits than its factorization.

525614540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10682 (or 10680 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 525614540 is about 22926.2849149181. The cubic root of 525614540 is about 807.0289673988.

The spelling of 525614540 in words is "five hundred twenty-five million, six hundred fourteen thousand, five hundred forty".