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253423873 is a prime number
BaseRepresentation
bin11110001101011…
…11000100000001
3122122212021012101
433012233010001
51004334030443
641051430401
76165032053
oct1706570401
9578767171
10253423873
1112006211a
1270a55401
1340670c71
142592b8d3
hexf1af101

253423873 has 2 divisors, whose sum is σ = 253423874. Its totient is φ = 253423872.

The previous prime is 253423799. The next prime is 253423943. The reversal of 253423873 is 378324352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210482064 + 42941809 = 14508^2 + 6553^2 .

It is a cyclic number.

It is not a de Polignac number, because 253423873 - 221 = 251326721 is a prime.

It is not a weakly prime, because it can be changed into another prime (253420873) 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, 126711936 + 126711937.

It is an arithmetic number, because the mean of its divisors is an integer number (126711937).

Almost surely, 2253423873 is an apocalyptic number.

It is an amenable number.

253423873 is a deficient number, since it is larger than the sum of its proper divisors (1).

253423873 is an equidigital number, since it uses as much as digits as its factorization.

253423873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 37.

The square root of 253423873 is about 15919.2924779966. The cubic root of 253423873 is about 632.8233682141.

The spelling of 253423873 in words is "two hundred fifty-three million, four hundred twenty-three thousand, eight hundred seventy-three".