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2529025 = 52101161
BaseRepresentation
bin1001101001011100000001
311202111011121
421221130001
51121412100
6130112241
730332152
oct11513401
94674147
102529025
111478104
12a1b681
136a7185
1449b929
1534e51a
hex269701

2529025 has 6 divisors (see below), whose sum is σ = 3136022. Its totient is φ = 2023200.

The previous prime is 2529019. The next prime is 2529029. The reversal of 2529025 is 5209252.

It can be written as a sum of positive squares in 3 ways, for example, as 591361 + 1937664 = 769^2 + 1392^2 .

It is not a de Polignac number, because 2529025 - 25 = 2528993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 101161 = 2529025 / (2 + 5 + 2 + 9 + 0 + 2 + 5).

It is a Duffinian number.

2529025 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2529029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50556 + ... + 50605.

22529025 is an apocalyptic number.

2529025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2529025 is a deficient number, since it is larger than the sum of its proper divisors (606997).

2529025 is a wasteful number, since it uses less digits than its factorization.

2529025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101171 (or 101166 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2529025 is about 1590.2908539006. The cubic root of 2529025 is about 136.2441009706.

It can be divided in two parts, 25290 and 25, that multiplied together give a triangular number (632250 = T1124).

The spelling of 2529025 in words is "two million, five hundred twenty-nine thousand, twenty-five".

Divisors: 1 5 25 101161 505805 2529025