354245641 has 2 divisors, whose sum is σ = 354245642. Its totient is φ = 354245640.

The previous prime is 354245629. The next prime is 354245663. The reversal of 354245641 is 146542453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344882041 + 9363600 = 18571^2 + 3060^2 .

It is a cyclic number.

It is not a de Polignac number, because 354245641 - 2⁷ = 354245513 is a prime.

It is a super-3 number, since 3×354245641³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354245597 and 354245606.

It is not a weakly prime, because it can be changed into another prime (354245681) 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, 177122820 + 177122821.

It is an arithmetic number, because the mean of its divisors is an integer number (177122821).

Almost surely, 2^354245641 is an apocalyptic number.

It is an amenable number.

354245641 is a deficient number, since it is larger than the sum of its proper divisors (1).

354245641 is an equidigital number, since it uses as much as digits as its factorization.

354245641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 34.

The square root of 354245641 is about 18821.4144261264. The cubic root of 354245641 is about 707.5679805822.

The spelling of 354245641 in words is "three hundred fifty-four million, two hundred forty-five thousand, six hundred forty-one".