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213754901 is a prime number
BaseRepresentation
bin11001011110110…
…10010000010101
3112220012212121012
430233122100111
5414210124101
633113302005
75203613063
oct1457322025
9486185535
10213754901
11aa728248
125b704905
1335391cb9
1420563033
1513b74bbb
hexcbda415

213754901 has 2 divisors, whose sum is σ = 213754902. Its totient is φ = 213754900.

The previous prime is 213754897. The next prime is 213754903. The reversal of 213754901 is 109457312.

213754901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213130801 + 624100 = 14599^2 + 790^2 .

It is a cyclic number.

It is not a de Polignac number, because 213754901 - 22 = 213754897 is a prime.

Together with 213754903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213754903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106877450 + 106877451.

It is an arithmetic number, because the mean of its divisors is an integer number (106877451).

Almost surely, 2213754901 is an apocalyptic number.

It is an amenable number.

213754901 is a deficient number, since it is larger than the sum of its proper divisors (1).

213754901 is an equidigital number, since it uses as much as digits as its factorization.

213754901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 213754901 is about 14620.3591269161. The cubic root of 213754901 is about 597.9139604330.

The spelling of 213754901 in words is "two hundred thirteen million, seven hundred fifty-four thousand, nine hundred one".