354040459 has 2 divisors, whose sum is σ = 354040460. Its totient is φ = 354040458.

The previous prime is 354040387. The next prime is 354040481. The reversal of 354040459 is 954040453.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (954040453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354040459 - 2¹¹ = 354038411 is a prime.

It is not a weakly prime, because it can be changed into another prime (354040259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177020229 + 177020230.

It is an arithmetic number, because the mean of its divisors is an integer number (177020230).

Almost surely, 2^354040459 is an apocalyptic number.

354040459 is a deficient number, since it is larger than the sum of its proper divisors (1).

354040459 is an equidigital number, since it uses as much as digits as its factorization.

354040459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 354040459 is about 18815.9628773018. The cubic root of 354040459 is about 707.4313444598.

The spelling of 354040459 in words is "three hundred fifty-four million, forty thousand, four hundred fifty-nine".