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2555425 = 52102217
BaseRepresentation
bin1001101111111000100001
311210211101101
421233320201
51123233200
6130434401
730502135
oct11577041
94724341
102555425
111495a24
12a32a01
136b61b2
144a73c5
1535726a
hex26fe21

2555425 has 6 divisors (see below), whose sum is σ = 3168758. Its totient is φ = 2044320.

The previous prime is 2555363. The next prime is 2555429. The reversal of 2555425 is 5245552.

It can be written as a sum of positive squares in 3 ways, for example, as 266256 + 2289169 = 516^2 + 1513^2 .

It is not a de Polignac number, because 2555425 - 215 = 2522657 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2555393 and 2555402.

It is not an unprimeable number, because it can be changed into a prime (2555429) 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, 51084 + ... + 51133.

22555425 is an apocalyptic number.

2555425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2555425 is a deficient number, since it is larger than the sum of its proper divisors (613333).

2555425 is a wasteful number, since it uses less digits than its factorization.

2555425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102227 (or 102222 counting only the distinct ones).

The product of its digits is 10000, while the sum is 28.

The square root of 2555425 is about 1598.5696731766. The cubic root of 2555425 is about 136.7165361002.

The spelling of 2555425 in words is "two million, five hundred fifty-five thousand, four hundred twenty-five".

Divisors: 1 5 25 102217 511085 2555425