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61254653 is a prime number
BaseRepresentation
bin1110100110101…
…0101111111101
311021021001120212
43221222233331
5111140122103
610024522205
71342440665
oct351525775
9137231525
1061254653
1131638589
1218620365
13c8c9075
1481c71a5
15559e7d8
hex3a6abfd

61254653 has 2 divisors, whose sum is σ = 61254654. Its totient is φ = 61254652.

The previous prime is 61254631. The next prime is 61254673. The reversal of 61254653 is 35645216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60248644 + 1006009 = 7762^2 + 1003^2 .

It is a cyclic number.

It is not a de Polignac number, because 61254653 - 218 = 60992509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61254673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30627326 + 30627327.

It is an arithmetic number, because the mean of its divisors is an integer number (30627327).

Almost surely, 261254653 is an apocalyptic number.

It is an amenable number.

61254653 is a deficient number, since it is larger than the sum of its proper divisors (1).

61254653 is an equidigital number, since it uses as much as digits as its factorization.

61254653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 61254653 is about 7826.5351848695. The cubic root of 61254653 is about 394.1967396766.

Adding to 61254653 its reverse (35645216), we get a palindrome (96899869).

The spelling of 61254653 in words is "sixty-one million, two hundred fifty-four thousand, six hundred fifty-three".