253741 has 2 divisors, whose sum is σ = 253742. Its totient is φ = 253740.
The previous prime is 253733. The next prime is 253751. The reversal of 253741 is 147352.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 189225 + 64516 = 435^2 + 254^2 .
It is a cyclic number.
It is not a de Polignac number, because 253741 - 23 = 253733 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (253751) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126870 + 126871.
It is an arithmetic number, because the mean of its divisors is an integer number (126871).
2253741 is an apocalyptic number.
It is an amenable number.
253741 is a deficient number, since it is larger than the sum of its proper divisors (1).
253741 is an equidigital number, since it uses as much as digits as its factorization.
253741 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 840, while the sum is 22.
The square root of 253741 is about 503.7271086610. The cubic root of 253741 is about 63.3087223551.
The spelling of 253741 in words is "two hundred fifty-three thousand, seven hundred forty-one".
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