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425153381 is a prime number
BaseRepresentation
bin11001010101110…
…101001101100101
31002122000000210112
4121111311031211
51332314402011
6110104302405
713351513142
oct3125651545
91078000715
10425153381
111a8a96034
12ba471a05
136a10a563
14406713c9
15274d158b
hex19575365

425153381 has 2 divisors, whose sum is σ = 425153382. Its totient is φ = 425153380.

The previous prime is 425153353. The next prime is 425153401. The reversal of 425153381 is 183351524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424730881 + 422500 = 20609^2 + 650^2 .

It is a cyclic number.

It is not a de Polignac number, because 425153381 - 226 = 358044517 is a prime.

It is a super-2 number, since 2×4251533812 = 361510794751462322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425153081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212576690 + 212576691.

It is an arithmetic number, because the mean of its divisors is an integer number (212576691).

Almost surely, 2425153381 is an apocalyptic number.

It is an amenable number.

425153381 is a deficient number, since it is larger than the sum of its proper divisors (1).

425153381 is an equidigital number, since it uses as much as digits as its factorization.

425153381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 425153381 is about 20619.2478281823. The cubic root of 425153381 is about 751.9377335695.

The spelling of 425153381 in words is "four hundred twenty-five million, one hundred fifty-three thousand, three hundred eighty-one".