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3765425 = 52150617
BaseRepresentation
bin1110010111010010110001
321002022012012
432113102301
51430443200
6212412305
744001626
oct16272261
97068165
103765425
112142024
121317095
13a1ab81
1470034d
154e5a35
hex3974b1

3765425 has 6 divisors (see below), whose sum is σ = 4669158. Its totient is φ = 3012320.

The previous prime is 3765409. The next prime is 3765427. The reversal of 3765425 is 5245673.

It can be written as a sum of positive squares in 3 ways, for example, as 13456 + 3751969 = 116^2 + 1937^2 .

It is not a de Polignac number, because 3765425 - 24 = 3765409 is a prime.

It is a super-3 number, since 3×37654253 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3765391 and 3765400.

It is not an unprimeable number, because it can be changed into a prime (3765427) 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, 75284 + ... + 75333.

It is an arithmetic number, because the mean of its divisors is an integer number (778193).

Almost surely, 23765425 is an apocalyptic number.

It is an amenable number.

3765425 is a deficient number, since it is larger than the sum of its proper divisors (903733).

3765425 is a wasteful number, since it uses less digits than its factorization.

3765425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150627 (or 150622 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 3765425 is about 1940.4703038181. The cubic root of 3765425 is about 155.5743519426.

The spelling of 3765425 in words is "three million, seven hundred sixty-five thousand, four hundred twenty-five".

Divisors: 1 5 25 150617 753085 3765425