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61341541 is a prime number
BaseRepresentation
bin1110100111111…
…1111101100101
311021102110202221
43221333331211
5111200412131
610030432341
71343252212
oct351777545
9137373687
1061341541
1131697898
12186626b1
13c929791
14820ab09
1555ba411
hex3a7ff65

61341541 has 2 divisors, whose sum is σ = 61341542. Its totient is φ = 61341540.

The previous prime is 61341517. The next prime is 61341563. The reversal of 61341541 is 14514316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58522500 + 2819041 = 7650^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 61341541 - 25 = 61341509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61341041) 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, 30670770 + 30670771.

It is an arithmetic number, because the mean of its divisors is an integer number (30670771).

Almost surely, 261341541 is an apocalyptic number.

It is an amenable number.

61341541 is a deficient number, since it is larger than the sum of its proper divisors (1).

61341541 is an equidigital number, since it uses as much as digits as its factorization.

61341541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 61341541 is about 7832.0840776897. The cubic root of 61341541 is about 394.3830372758.

Adding to 61341541 its reverse (14514316), we get a palindrome (75855857).

The spelling of 61341541 in words is "sixty-one million, three hundred forty-one thousand, five hundred forty-one".