525055100 has 72 divisors (see below), whose sum is σ = 1170112608. Its totient is φ = 204422400.

The previous prime is 525055079. The next prime is 525055127. The reversal of 525055100 is 1550525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 831785 + ... + 832415.

It is an arithmetic number, because the mean of its divisors is an integer number (16251564).

Almost surely, 2^525055100 is an apocalyptic number.

525055100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525055100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585056304).

525055100 is an abundant number, since it is smaller than the sum of its proper divisors (645057508).

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

525055100 is a wasteful number, since it uses less digits than its factorization.

525055100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 525055100 is about 22914.0808238079. The cubic root of 525055100 is about 806.7425442213.

The spelling of 525055100 in words is "five hundred twenty-five million, fifty-five thousand, one hundred".