455402641 has 2 divisors, whose sum is σ = 455402642. Its totient is φ = 455402640.

The previous prime is 455402639. The next prime is 455402669. The reversal of 455402641 is 146204554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256000000 + 199402641 = 16000^2 + 14121^2 .

It is a cyclic number.

It is not a de Polignac number, because 455402641 - 2¹ = 455402639 is a prime.

It is a super-3 number, since 3×455402641³ (a number of 27 digits) contains 333 as substring.

Together with 455402639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (455462641) 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, 227701320 + 227701321.

It is an arithmetic number, because the mean of its divisors is an integer number (227701321).

Almost surely, 2^455402641 is an apocalyptic number.

It is an amenable number.

455402641 is a deficient number, since it is larger than the sum of its proper divisors (1).

455402641 is an equidigital number, since it uses as much as digits as its factorization.

455402641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 455402641 is about 21340.1649712461. The cubic root of 455402641 is about 769.3639775147.

The spelling of 455402641 in words is "four hundred fifty-five million, four hundred two thousand, six hundred forty-one".