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2025025 = 5281001
BaseRepresentation
bin111101110011001000001
310210212210221
413232121001
51004300100
6111223041
723132602
oct7563101
93725727
102025025
111163482
12817a81
1355b952
143a9da9
152a001a
hex1ee641

2025025 has 6 divisors (see below), whose sum is σ = 2511062. Its totient is φ = 1620000.

The previous prime is 2024977. The next prime is 2025029. The reversal of 2025025 is 5205202.

It can be written as a sum of positive squares in 3 ways, for example, as 404496 + 1620529 = 636^2 + 1273^2 .

It is not a de Polignac number, because 2025025 - 215 = 1992257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2025029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40476 + ... + 40525.

22025025 is an apocalyptic number.

2025025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2025025 is a deficient number, since it is larger than the sum of its proper divisors (486037).

2025025 is an equidigital number, since it uses as much as digits as its factorization.

2025025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81011 (or 81006 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 2025025 is about 1423.0337311533. The cubic root of 2025025 is about 126.5154204306.

It can be divided in two parts, 20 and 25025, that multiplied together give a triangular number (500500 = T1000).

The spelling of 2025025 in words is "two million, twenty-five thousand, twenty-five".

Divisors: 1 5 25 81001 405005 2025025