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61025 = 522441
BaseRepresentation
bin1110111001100001
310002201012
432321201
53423100
61150305
7342626
oct167141
9102635
1061025
1141938
122b395
1321a13
141834d
1513135
hexee61

61025 has 6 divisors (see below), whose sum is σ = 75702. Its totient is φ = 48800.

The previous prime is 61007. The next prime is 61027. The reversal of 61025 is 52016.

61025 = T57 + T58 + ... + T81.

It can be written as a sum of positive squares in 3 ways, for example, as 16 + 61009 = 4^2 + 247^2 .

It is not a de Polignac number, because 61025 - 26 = 60961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 61025.

It is not an unprimeable number, because it can be changed into a prime (61027) 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, 1196 + ... + 1245.

It is an arithmetic number, because the mean of its divisors is an integer number (12617).

261025 is an apocalyptic number.

It is an amenable number.

61025 is a deficient number, since it is larger than the sum of its proper divisors (14677).

61025 is a wasteful number, since it uses less digits than its factorization.

61025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451 (or 2446 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 61025 is about 247.0323865407. The cubic root of 61025 is about 39.3703488249.

Subtracting from 61025 its reverse (52016), we obtain a palindrome (9009).

The spelling of 61025 in words is "sixty-one thousand, twenty-five".

Divisors: 1 5 25 2441 12205 61025