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61233961 is a prime number
BaseRepresentation
bin1110100110010…
…1101100101001
311021020000012111
43221211230221
5111133441321
610024242321
71342323445
oct351455451
9137200174
1061233961
1131623a88
12186103a1
13c8bc819
1481bd825
1555985e1
hex3a65b29

61233961 has 2 divisors, whose sum is σ = 61233962. Its totient is φ = 61233960.

The previous prime is 61233947. The next prime is 61234037. The reversal of 61233961 is 16933216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54243225 + 6990736 = 7365^2 + 2644^2 .

It is a cyclic number.

It is not a de Polignac number, because 61233961 - 27 = 61233833 is a prime.

It is not a weakly prime, because it can be changed into another prime (61233661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30616980 + 30616981.

It is an arithmetic number, because the mean of its divisors is an integer number (30616981).

Almost surely, 261233961 is an apocalyptic number.

It is an amenable number.

61233961 is a deficient number, since it is larger than the sum of its proper divisors (1).

61233961 is an equidigital number, since it uses as much as digits as its factorization.

61233961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

The square root of 61233961 is about 7825.2131600360. The cubic root of 61233961 is about 394.1523477424.

The spelling of 61233961 in words is "sixty-one million, two hundred thirty-three thousand, nine hundred sixty-one".