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354250121 is a prime number
BaseRepresentation
bin10101000111010…
…110110110001001
3220200120202210212
4111013112312021
51211142000441
655052450505
711531035121
oct2507266611
9820522725
10354250121
11171a683a5
129a779a35
1358513874
1435095c81
1521177eeb
hex151d6d89

354250121 has 2 divisors, whose sum is σ = 354250122. Its totient is φ = 354250120.

The previous prime is 354250081. The next prime is 354250147. The reversal of 354250121 is 121052453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245360896 + 108889225 = 15664^2 + 10435^2 .

It is an emirp because it is prime and its reverse (121052453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354250121 - 210 = 354249097 is a prime.

It is a super-3 number, since 3×3542501213 (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (354250151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177125060 + 177125061.

It is an arithmetic number, because the mean of its divisors is an integer number (177125061).

Almost surely, 2354250121 is an apocalyptic number.

It is an amenable number.

354250121 is a deficient number, since it is larger than the sum of its proper divisors (1).

354250121 is an equidigital number, since it uses as much as digits as its factorization.

354250121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 354250121 is about 18821.5334391223. The cubic root of 354250121 is about 707.5709633441.

The spelling of 354250121 in words is "three hundred fifty-four million, two hundred fifty thousand, one hundred twenty-one".