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401250280259 is a prime number
BaseRepresentation
bin1011101011011000110…
…00010110001101000011
31102100200211012012002002
411311230120112031003
523033230032432014
6504155402014215
740663233051653
oct5655430261503
91370624165062
10401250280259
11145195360474
1265921aa736b
132bab768864a
14155c6260363
15a686566dde
hex5d6c616343

401250280259 has 2 divisors, whose sum is σ = 401250280260. Its totient is φ = 401250280258.

The previous prime is 401250280229. The next prime is 401250280261. The reversal of 401250280259 is 952082052104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-401250280259 is a prime.

It is a super-2 number, since 2×4012502802592 (a number of 24 digits) contains 22 as substring.

Together with 401250280261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401250280229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200625140129 + 200625140130.

It is an arithmetic number, because the mean of its divisors is an integer number (200625140130).

Almost surely, 2401250280259 is an apocalyptic number.

401250280259 is a deficient number, since it is larger than the sum of its proper divisors (1).

401250280259 is an equidigital number, since it uses as much as digits as its factorization.

401250280259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 401250280259 in words is "four hundred one billion, two hundred fifty million, two hundred eighty thousand, two hundred fifty-nine".