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61262249 is a prime number
BaseRepresentation
bin1110100110110…
…0100110101001
311021021110000012
43221230212221
5111140342444
610025021305
71342502066
oct351544651
9137243005
1061262249
1131643264
1218624835
13c8cc669
1481c9c6d
1555a1b9e
hex3a6c9a9

61262249 has 2 divisors, whose sum is σ = 61262250. Its totient is φ = 61262248.

The previous prime is 61262207. The next prime is 61262347. The reversal of 61262249 is 94226216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48553024 + 12709225 = 6968^2 + 3565^2 .

It is a cyclic number.

It is not a de Polignac number, because 61262249 - 216 = 61196713 is a prime.

It is not a weakly prime, because it can be changed into another prime (61262749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30631124 + 30631125.

It is an arithmetic number, because the mean of its divisors is an integer number (30631125).

Almost surely, 261262249 is an apocalyptic number.

It is an amenable number.

61262249 is a deficient number, since it is larger than the sum of its proper divisors (1).

61262249 is an equidigital number, since it uses as much as digits as its factorization.

61262249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 61262249 is about 7827.0204420328. The cubic root of 61262249 is about 394.2130333758.

The spelling of 61262249 in words is "sixty-one million, two hundred sixty-two thousand, two hundred forty-nine".