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61255525327 is a prime number
BaseRepresentation
bin111001000011000111…
…010010001111001111
312212010000002002201021
4321003013102033033
52000422403302302
644050154255011
74265653242253
oct710307221717
9185100062637
1061255525327
1123a841688a7
12ba56427467
135a128c2999
142d71518263
1518d7aaa437
hexe431d23cf

61255525327 has 2 divisors, whose sum is σ = 61255525328. Its totient is φ = 61255525326.

The previous prime is 61255525319. The next prime is 61255525393. The reversal of 61255525327 is 72352555216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61255525327 - 23 = 61255525319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61255525127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30627762663 + 30627762664.

It is an arithmetic number, because the mean of its divisors is an integer number (30627762664).

Almost surely, 261255525327 is an apocalyptic number.

61255525327 is a deficient number, since it is larger than the sum of its proper divisors (1).

61255525327 is an equidigital number, since it uses as much as digits as its factorization.

61255525327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 630000, while the sum is 43.

The spelling of 61255525327 in words is "sixty-one billion, two hundred fifty-five million, five hundred twenty-five thousand, three hundred twenty-seven".