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258227401 is a prime number
BaseRepresentation
bin11110110010000…
…11110011001001
3122222220022101211
433121003303021
51012101234101
641342413121
76253616365
oct1731036311
9588808354
10258227401
11122843083
12725911a1
13416634a3
142641c2a5
1517a0bc51
hexf643cc9

258227401 has 2 divisors, whose sum is σ = 258227402. Its totient is φ = 258227400.

The previous prime is 258227383. The next prime is 258227413. The reversal of 258227401 is 104722852.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243204025 + 15023376 = 15595^2 + 3876^2 .

It is a cyclic number.

It is not a de Polignac number, because 258227401 - 211 = 258225353 is a prime.

It is not a weakly prime, because it can be changed into another prime (258227441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129113700 + 129113701.

It is an arithmetic number, because the mean of its divisors is an integer number (129113701).

Almost surely, 2258227401 is an apocalyptic number.

It is an amenable number.

258227401 is a deficient number, since it is larger than the sum of its proper divisors (1).

258227401 is an equidigital number, since it uses as much as digits as its factorization.

258227401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 258227401 is about 16069.4555290464. The cubic root of 258227401 is about 636.7966568758.

The spelling of 258227401 in words is "two hundred fifty-eight million, two hundred twenty-seven thousand, four hundred one".