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61589039 is a prime number
BaseRepresentation
bin1110101011110…
…0011000101111
311021220001021112
43222330120233
5111231322124
610040022235
71345332611
oct352743057
9137801245
1061589039
1131846836
121876197b
13c9b5325
148272db1
15561890e
hex3abc62f

61589039 has 2 divisors, whose sum is σ = 61589040. Its totient is φ = 61589038.

The previous prime is 61589027. The next prime is 61589041. The reversal of 61589039 is 93098516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61589039 - 24 = 61589023 is a prime.

Together with 61589041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61588987 and 61589005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61589639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30794519 + 30794520.

It is an arithmetic number, because the mean of its divisors is an integer number (30794520).

Almost surely, 261589039 is an apocalyptic number.

61589039 is a deficient number, since it is larger than the sum of its proper divisors (1).

61589039 is an equidigital number, since it uses as much as digits as its factorization.

61589039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 61589039 is about 7847.8684367158. The cubic root of 61589039 is about 394.9127382948.

The spelling of 61589039 in words is "sixty-one million, five hundred eighty-nine thousand, thirty-nine".