Search a number
-
+
201425 = 5271151
BaseRepresentation
bin110001001011010001
3101020022012
4301023101
522421200
64152305
71466150
oct611321
9336265
10201425
11128374
1298695
13708b3
1453597
153ea35
hex312d1

201425 has 12 divisors (see below), whose sum is σ = 285696. Its totient is φ = 138000.

The previous prime is 201413. The next prime is 201437. The reversal of 201425 is 524102.

It is an interprime number because it is at equal distance from previous prime (201413) and next prime (201437).

It is not a de Polignac number, because 201425 - 210 = 200401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 201425.

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, 401 + ... + 750.

It is an arithmetic number, because the mean of its divisors is an integer number (23808).

2201425 is an apocalyptic number.

201425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201425 is a deficient number, since it is larger than the sum of its proper divisors (84271).

201425 is a wasteful number, since it uses less digits than its factorization.

201425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 201425 is about 448.8039661144. The cubic root of 201425 is about 58.6189170406.

Adding to 201425 its reverse (524102), we get a palindrome (725527).

It can be divided in two parts, 201 and 425, that added together give a palindrome (626).

The spelling of 201425 in words is "two hundred one thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 175 1151 5755 8057 28775 40285 201425