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61253 is a prime number
BaseRepresentation
bin1110111101000101
310010000122
432331011
53430003
61151325
7343403
oct167505
9103018
1061253
1142025
122b545
1321b5a
1418473
1513238
hexef45

61253 has 2 divisors, whose sum is σ = 61254. Its totient is φ = 61252.

The previous prime is 61231. The next prime is 61261. The reversal of 61253 is 35216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40804 + 20449 = 202^2 + 143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61253 is a prime.

It is a Chen prime.

It is equal to p6164 and since 61253 and 6164 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61223) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30626 + 30627.

It is an arithmetic number, because the mean of its divisors is an integer number (30627).

261253 is an apocalyptic number.

It is an amenable number.

61253 is a deficient number, since it is larger than the sum of its proper divisors (1).

61253 is an equidigital number, since it uses as much as digits as its factorization.

61253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180, while the sum is 17.

The square root of 61253 is about 247.4934342563. The cubic root of 61253 is about 39.4193193752.

Adding to 61253 its reverse (35216), we get a palindrome (96469).

The spelling of 61253 in words is "sixty-one thousand, two hundred fifty-three".