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61955441 is a prime number
BaseRepresentation
bin1110110001010…
…1110101110001
311022120122212222
43230111311301
5111330033231
610051530425
71351420052
oct354256561
9138518788
1061955441
1131a77049
12188b9a15
13cab3032
14832a729
15568c27b
hex3b15d71

61955441 has 2 divisors, whose sum is σ = 61955442. Its totient is φ = 61955440.

The previous prime is 61955437. The next prime is 61955459. The reversal of 61955441 is 14455916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36240400 + 25715041 = 6020^2 + 5071^2 .

It is a cyclic number.

It is not a de Polignac number, because 61955441 - 22 = 61955437 is a prime.

It is not a weakly prime, because it can be changed into another prime (61955401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30977720 + 30977721.

It is an arithmetic number, because the mean of its divisors is an integer number (30977721).

Almost surely, 261955441 is an apocalyptic number.

It is an amenable number.

61955441 is a deficient number, since it is larger than the sum of its proper divisors (1).

61955441 is an equidigital number, since it uses as much as digits as its factorization.

61955441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The square root of 61955441 is about 7871.1778661138. The cubic root of 61955441 is about 395.6943212053.

The spelling of 61955441 in words is "sixty-one million, nine hundred fifty-five thousand, four hundred forty-one".