525269000 has 64 divisors (see below), whose sum is σ = 1233750960. Its totient is φ = 209318400.

The previous prime is 525268981. The next prime is 525269047. The reversal of 525269000 is 962525.

It can be written as a sum of positive squares in 8 ways, for example, as 18028516 + 507240484 = 4246^2 + 22522^2 .

It is a super-2 number, since 2×525269000² = 551815044722000000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316172 + ... + 317828.

Almost surely, 2^525269000 is an apocalyptic number.

525269000 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 525269000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616875480).

525269000 is an abundant number, since it is smaller than the sum of its proper divisors (708481960).

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

525269000 is a wasteful number, since it uses less digits than its factorization.

525269000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 525269000 is about 22918.7477842922. The cubic root of 525269000 is about 806.8520811711.

The spelling of 525269000 in words is "five hundred twenty-five million, two hundred sixty-nine thousand".