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2251025 = 52719677
BaseRepresentation
bin1000100101100100010001
311020100211022
420211210101
51034013100
6120125225
725063520
oct10454421
94210738
102251025
1112a8257
12906815
1360a78a
144284b7
152e6e85
hex225911

2251025 has 24 divisors (see below), whose sum is σ = 3362880. Its totient is φ = 1460160.

The previous prime is 2251001. The next prime is 2251031. The reversal of 2251025 is 5201522.

It is not a de Polignac number, because 2251025 - 28 = 2250769 is a prime.

It is a super-2 number, since 2×22510252 = 10134227101250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2250994 and 2251012.

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, 2987 + ... + 3663.

It is an arithmetic number, because the mean of its divisors is an integer number (140120).

22251025 is an apocalyptic number.

2251025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2251025 is a deficient number, since it is larger than the sum of its proper divisors (1111855).

2251025 is a wasteful number, since it uses less digits than its factorization.

2251025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2251025 is about 1500.3416277635. The cubic root of 2251025 is about 131.0569649113.

Adding to 2251025 its reverse (5201522), we get a palindrome (7452547).

The spelling of 2251025 in words is "two million, two hundred fifty-one thousand, twenty-five".

Divisors: 1 5 7 19 25 35 95 133 175 475 665 677 3325 3385 4739 12863 16925 23695 64315 90041 118475 321575 450205 2251025