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61459031 is a prime number
BaseRepresentation
bin1110101001110…
…0101001010111
311021122102221102
43222130221113
5111213142111
610033140315
71344251564
oct352345127
9137572842
1061459031
1131768097
12186ba69b
13c96b0ba
14823b86b
1555e013b
hex3a9ca57

61459031 has 2 divisors, whose sum is σ = 61459032. Its totient is φ = 61459030.

The previous prime is 61459003. The next prime is 61459037. The reversal of 61459031 is 13095416.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61459031 is a prime.

It is a super-2 number, since 2×614590312 = 7554424982917922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61458985 and 61459003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61459037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30729515 + 30729516.

It is an arithmetic number, because the mean of its divisors is an integer number (30729516).

Almost surely, 261459031 is an apocalyptic number.

61459031 is a deficient number, since it is larger than the sum of its proper divisors (1).

61459031 is an equidigital number, since it uses as much as digits as its factorization.

61459031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 61459031 is about 7839.5810474795. The cubic root of 61459031 is about 394.6346694249.

The spelling of 61459031 in words is "sixty-one million, four hundred fifty-nine thousand, thirty-one".