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401225 = 52111459
BaseRepresentation
bin1100001111101001001
3202101101012
41201331021
5100314400
612333305
73260516
oct1417511
9671335
10401225
112544a0
12174235
13110816
14a630d
157dd35
hex61f49

401225 has 12 divisors (see below), whose sum is σ = 543120. Its totient is φ = 291600.

The previous prime is 401209. The next prime is 401231. The reversal of 401225 is 522104.

401225 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 401225 - 24 = 401209 is a prime.

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, 455 + ... + 1004.

It is an arithmetic number, because the mean of its divisors is an integer number (45260).

2401225 is an apocalyptic number.

It is an amenable number.

401225 is a deficient number, since it is larger than the sum of its proper divisors (141895).

401225 is a wasteful number, since it uses less digits than its factorization.

401225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 1475 counting only the distinct ones).

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

The square root of 401225 is about 633.4232392327. The cubic root of 401225 is about 73.7557689636.

Adding to 401225 its reverse (522104), we get a palindrome (923329).

It can be divided in two parts, 401 and 225, that added together give a palindrome (626).

The spelling of 401225 in words is "four hundred one thousand, two hundred twenty-five".

Divisors: 1 5 11 25 55 275 1459 7295 16049 36475 80245 401225