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4251925 = 52533209
BaseRepresentation
bin10000001110000100010101
322000000112201
4100032010111
52042030200
6231044501
751066166
oct20160425
98000481
104251925
112444597
121510731
13b5b442
147c976d
1558ec6a
hex40e115

4251925 has 12 divisors (see below), whose sum is σ = 5373540. Its totient is φ = 3336320.

The previous prime is 4251917. The next prime is 4251931. The reversal of 4251925 is 5291524.

It can be written as a sum of positive squares in 6 ways, for example, as 81 + 4251844 = 9^2 + 2062^2 .

It is not a de Polignac number, because 4251925 - 23 = 4251917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4251893 and 4251902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280 + ... + 2929.

It is an arithmetic number, because the mean of its divisors is an integer number (447795).

Almost surely, 24251925 is an apocalyptic number.

It is an amenable number.

4251925 is a deficient number, since it is larger than the sum of its proper divisors (1121615).

4251925 is a wasteful number, since it uses less digits than its factorization.

4251925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272 (or 3267 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 4251925 is about 2062.0196410316. The cubic root of 4251925 is about 162.0050422655.

The spelling of 4251925 in words is "four million, two hundred fifty-one thousand, nine hundred twenty-five".

Divisors: 1 5 25 53 265 1325 3209 16045 80225 170077 850385 4251925