354204581 has 2 divisors, whose sum is σ = 354204582. Its totient is φ = 354204580.

The previous prime is 354204569. The next prime is 354204629. The reversal of 354204581 is 185402453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255520225 + 98684356 = 15985^2 + 9934^2 .

It is an emirp because it is prime and its reverse (185402453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354204581 - 2²² = 350010277 is a prime.

It is a super-3 number, since 3×354204581³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354204551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177102290 + 177102291.

It is an arithmetic number, because the mean of its divisors is an integer number (177102291).

Almost surely, 2^354204581 is an apocalyptic number.

It is an amenable number.

354204581 is a deficient number, since it is larger than the sum of its proper divisors (1).

354204581 is an equidigital number, since it uses as much as digits as its factorization.

354204581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 354204581 is about 18820.3236157086. The cubic root of 354204581 is about 707.5406418653.

The spelling of 354204581 in words is "three hundred fifty-four million, two hundred four thousand, five hundred eighty-one".