525454300 has 72 divisors (see below), whose sum is σ = 1306340000. Its totient is φ = 179712000.

The previous prime is 525454289. The next prime is 525454327. The reversal of 525454300 is 3454525.

525454300 = 8661² + 8662² + ... + 8667².

It is a super-2 number, since 2×525454300² = 552204442776980000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 420076 + ... + 421324.

Almost surely, 2^525454300 is an apocalyptic number.

525454300 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 525454300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653170000).

525454300 is an abundant number, since it is smaller than the sum of its proper divisors (780885700).

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

525454300 is a wasteful number, since it uses less digits than its factorization.

525454300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 525454300 is about 22922.7899698095. The cubic root of 525454300 is about 806.9469481905.

The spelling of 525454300 in words is "five hundred twenty-five million, four hundred fifty-four thousand, three hundred".