525545916 has 48 divisors (see below), whose sum is σ = 1431284736. Its totient is φ = 146960064.

The previous prime is 525545899. The next prime is 525545953. The reversal of 525545916 is 619545525.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 62611 + ... + 70506.

It is an arithmetic number, because the mean of its divisors is an integer number (29818432).

Almost surely, 2^525545916 is an apocalyptic number.

It is an amenable number.

525545916 is an abundant number, since it is smaller than the sum of its proper divisors (905738820).

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

525545916 is a wasteful number, since it uses less digits than its factorization.

525545916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133178 (or 133176 counting only the distinct ones).

The product of its digits is 270000, while the sum is 42.

The square root of 525545916 is about 22924.7882432968. The cubic root of 525545916 is about 806.9938440895.

The spelling of 525545916 in words is "five hundred twenty-five million, five hundred forty-five thousand, nine hundred sixteen".