Search a number
-
+
4025525 = 52723003
BaseRepresentation
bin1111010110110010110101
321120111222112
433112302311
52012304100
6222140405
746134140
oct17266265
97514875
104025525
1122aa489
121421705
13aac38a
1476b057
15547b35
hex3d6cb5

4025525 has 12 divisors (see below), whose sum is σ = 5704992. Its totient is φ = 2760240.

The previous prime is 4025521. The next prime is 4025543. The reversal of 4025525 is 5255204.

It is not a de Polignac number, because 4025525 - 22 = 4025521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4025525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11327 + ... + 11676.

It is an arithmetic number, because the mean of its divisors is an integer number (475416).

Almost surely, 24025525 is an apocalyptic number.

It is an amenable number.

4025525 is a deficient number, since it is larger than the sum of its proper divisors (1679467).

4025525 is a wasteful number, since it uses less digits than its factorization.

4025525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23020 (or 23015 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 4025525 is about 2006.3711022640. The cubic root of 4025525 is about 159.0770429473.

The spelling of 4025525 in words is "four million, twenty-five thousand, five hundred twenty-five".

Divisors: 1 5 7 25 35 175 23003 115015 161021 575075 805105 4025525