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61541351 is a prime number
BaseRepresentation
bin1110101011000…
…0101111100111
311021210121212022
43222300233213
5111223310401
610035013355
71345043564
oct352605747
9137717768
1061541351
1131813a23
121873a25b
13c999701
14825d86b
15560971b
hex3ab0be7

61541351 has 2 divisors, whose sum is σ = 61541352. Its totient is φ = 61541350.

The previous prime is 61541341. The next prime is 61541357. The reversal of 61541351 is 15314516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61541351 - 210 = 61540327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61541351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61541357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30770675 + 30770676.

It is an arithmetic number, because the mean of its divisors is an integer number (30770676).

Almost surely, 261541351 is an apocalyptic number.

61541351 is a deficient number, since it is larger than the sum of its proper divisors (1).

61541351 is an equidigital number, since it uses as much as digits as its factorization.

61541351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 26.

The square root of 61541351 is about 7844.8295711252. The cubic root of 61541351 is about 394.8107858386.

Adding to 61541351 its reverse (15314516), we get a palindrome (76855867).

The spelling of 61541351 in words is "sixty-one million, five hundred forty-one thousand, three hundred fifty-one".