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61953361 is a prime number
BaseRepresentation
bin1110110001010…
…1010101010001
311022120120000221
43230111111101
5111330001421
610051513041
71351411021
oct354252521
9138516027
1061953361
1131a75528
12188b8781
13cab20c2
148329a81
15568b841
hex3b15551

61953361 has 2 divisors, whose sum is σ = 61953362. Its totient is φ = 61953360.

The previous prime is 61953349. The next prime is 61953371. The reversal of 61953361 is 16335916.

61953361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55353600 + 6599761 = 7440^2 + 2569^2 .

It is a cyclic number.

It is not a de Polignac number, because 61953361 - 211 = 61951313 is a prime.

It is not a weakly prime, because it can be changed into another prime (61953371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30976680 + 30976681.

It is an arithmetic number, because the mean of its divisors is an integer number (30976681).

Almost surely, 261953361 is an apocalyptic number.

It is an amenable number.

61953361 is a deficient number, since it is larger than the sum of its proper divisors (1).

61953361 is an equidigital number, since it uses as much as digits as its factorization.

61953361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 34.

The square root of 61953361 is about 7871.0457373846. The cubic root of 61953361 is about 395.6898930045.

The spelling of 61953361 in words is "sixty-one million, nine hundred fifty-three thousand, three hundred sixty-one".